Your Search: "spoke wrench"

The Mirrycle mounts in minutes with the wrench that is included. The mirror is a 3" round, convex glass mirror with a wide field of view. The mirror is adjustable to any viewing angle. - Fits inside handlebars with 13.75mm – 22.5mm (.54" to .875") inside diameter

When a mechanical problem has you feeling lost in space, the Alien II is the extraterrestrial that will ensure you don't have to phone home. Its molded-plastic body provides an excellent gripping surface and splits in two with a press of a button. Tools include: 2, 2.5, 3, 4, 5, 6, 8 and 10mm Allen wrenches; 8, 9, 10mm box wrenches; Phillips and regular screwdrivers; a universal chain tool; 14- and 15-gauge spoke wrenches; a stainless-steel knife; a T25 Torx wrench for disc brakes; and a compartment for 2 chain pins. There's even a handy bottle opener for after the ride.

Park's Hex Wrench Set offers all the popular Allen wrenches (1.5, 2, 2.5, 3, 4, 5 and 6mm) in a convenient fold-up unit. The tool tips are chamfered for a positive grip and the one-piece fiber-reinforced-resin handle is light, comfortable, slip resistant and 40% stronger than steel.

Zipp Speed Weaponry Valve Extender Wrench Set - Two 4 mm and 5 mm combination wrenches - Replacement wrenches required to properly install Zipp integrated valve extenders - Use with Zipp Tangente tubes with aluminum Presta valve and aluminum valve extender

The ultimate trail-side companion. Details - 20 high tensile steel multi-tools, including an integrated tire plug tool - Tire plugs come included with a storage case that mounts directly to the tool - The case can be used to conveniently store chain links Specs - Chain Tool: 8/9/10/11/12 speed compatible - Hex Wrenches: #2, 2.5, 3, 4, 5, 6, 8 - Length: 89mm - Open Wrench: 8mm - Screw Drivers: Phillips #1 & #2, flat #1 - Specialty Tools: Tire plug tool, tire plugs, valve core removal tool, rotor straightener - Spoke Wrench: #0, 1, 2 - Torx: T-10, T-25 - Warranty: Lifetime - Weight: 203g

- 6061 Aluminum valve and cap - Removable valve core - Comes with round & square rubber bases for different rim types - Spare alloy valve cap with integrated valve core removal tool - Installs securely with a 4mm fitting for a hex wrench on the valve and a 10mm wrench flat on the nut

- Aluminum clamps secure the grip on both ends using a hex wrench - Loosen pinch bolts and grips slide on or off with ease - 130mm length for standard shift/brake setup (not for twist shifters, use 90mm replacement grip options for twist shifters)

The LTD Mirrycle Mirror quickly attaches to Bontrager Isozone handlebars using the supplied wrench. It has a convex mirror for a wide field of view to help you clearly see approaching traffic. And the mirror easily adjusts to your optimum viewing angle.

Park's Home Mechanic Pedal Wrench is great for your home workshop and event tool box. This top-quality 15mm pedal wrench provides the leverage you need to remove stubborn pedals. It's made to last from heat-treated steel, and the handle has a vinyl grip for comfort.

The ultimate trailside companion. These high tensile steel multi-tools feature a precise fit and finish and side grips for a secure handhold even with gloves on. The m17 includes: Chain tool: 8/9/10 speed compatible Spoke wrench: #0, 1, 2, 3 Hex wrenches: #2, 2.5, 3, 4, 5, 6, 8 Open wrench: 8mm, 10mm Screwdrivers: Phillips #2, flat #2 Torx: t-25 Length: 89 mm Weight: 168g Warranty: Lifetime

The new 8-Bit System is a group of multi-tools designed to work together to solve most trailside fixes. They are lightweight, strong, versatile, and small enough to fit in a jersey pocket or riding tool wrap. Three multi-tools begin the 8-Bit System: 8-Bit Chainbreaker + Utility Knife Multi-Tool, 8-Bit Tire Lever + Rim Dent Remover Multi-Tool, and 8-Bit Pack Pliers. A total of 22 functions between the three tools will keep you rolling to the next town or trailhead. - 17 functions: spoke wrench; valve core wrench; flat head #3.5 and Phillips #2 screwdriver bits; 2, 2.5, 3, 4, 5, 6, and 8mm hex; and T10, T25 Torx-compatible bits; install and remove master links; clear tire sealant clogs from valve stem; tighten valve stem lock nut - Magnets keep all bits in place - Ball detent swivel head helps access hard-to-reach places - Handle doubles as breaker bar for extra torque when head is bent - 8mm hex bit tested to over 40 Nm torque - Pliers works with 9-, 10-, 11- and 12-speed master links and chains (not compatible with Campagnolo 12-speed chains) - Master Link storage is compatible with SRAM PowerLock Link, Shimano Quick-Link, KMC Missing Link and other similar master links (not compatible with Connex Links by Wipperman)

- Hex wrenches 2, 2.5, 3, 4, 5, 6, 8 - TX wrenches 10, 25 - PH1 screwdriver - Chain tool - Schrader & Presta valve tool - Flat screwdriver 1.0 x 5.0 - Spoke Key 3.3, 3.45 and DT

RIDE FREE Ditch the heavy pack and saggy saddlebag with the all-new Clutch Crank Storage. Lightweight and right there when you need it with six allens, a chain tool, and a spoke wrench, the Clutch Crank Storage can solve just about any trail-side mechanical. FEATURES: - The smallest multi-function crank-stored tool on the market - Magnetic locking system ensures quiet, stable storage - Quickly and easily mounts in hollow crank spindle - Compatible with hollow-spindle SRAM, Shimano, and Praxis cranks - Includes 2.5 to 6mm allens, a T25 Torx, a valve core remover, spare chain links, and a spoke wrench SPECIFICATIONS: - Tools: 2.5, 3, 4, 5, 6mm Hex, T25, Chain breaker, Spare chain links storage, Spoke wrench - System: Compatible with Sram & Shimano & Praxis Cranks - Sizes: 100x 32 x 19mm (TBC) - Weight: 84g - Material: High-density plastic

Park's I-Beam Mini Fold-Up Hex Wrench/Screwdriver/Torx Set with Chain Tool includes 1.5, 2, 2.5, 3, 4, 5, and 6mm Allen wrenches, a socket 8mm Allen, a regular screwdriver, a T25 Torx tool (for disc-rotor bolts), a tire lever, spoke wrenches and a chain tool. The I-Beam conveniently fits in pockets and packs, too.

The DTD-8 is a precision Torx®-compatible driver machined to exact standards to ensure a perfect fit on compatible component fasteners. The stubby size of the DTD-8 provides extra control during removal and installation of delicate hydraulic brake fittings. Featuring an ergonomic CNC-machined hard-anodized 6061 aluminum handle and a precision T8 tip. - T8 Torx®-compatible wrench - Not intended for high-torque applications - Total length: 3.75" (95mm) - Shaft length: 1.7" (43mm) - Weight: 2.22 oz. (63g)

- Position Front - Wheel Diameter/ISO 700C / 622 - Axle Type Bolt-on - Hub Spacing 100mm - Wheel-Brake Comp. Rim - Freehub Body - - Wheel Tire Type Clincher - Rim Material Aluminum - Rim Construction Single wall - Rim Internal Width 19.7mm - Rim inner width range 0-21.9mm - Rim Color Silver - Rim Drilling 36 - Hub Model Formula FM-21 - Wheel Weight - - Spoke Type Steel - Valve Schrader - Rim External Width 25mm - Depth 16mm - Rim Model Alex X101

This tool set consists of 4 / 5 / 6Nm TorqSockets that will work with any mini tool containing a 5 mm Allen wrench (or single 5 mm Allen wrench). Its advanced torque limit release design consistently applies precise torque values on component bolts for safety and prevents damage to expensive carbon parts. A carry case neatly stores three preset TorqSockets (4 / 5 / 6Nm) and the 5 most popular tool bits (3 / 4 / 5 mm hex & T20 / T25 Torx). - Added Feature: Rubber Strap, Carry case - Functions: 15 - Allen Bits: 3/4/5 mm - Tool Material: Hardened steel - Torx Bits: T20 / T25 - Torque Value: 4/5/6 Nm - Size: 8.2 x 5.1 x 2.7 cm / 3.2” x 2” x 1.1” - Weight: 130 grams

Upgrade or refresh your bike. When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered. PRODUCT DETAILS - Original equipment replacement Bontrager Connection Disc wheels - Durable double-wall rim with 20mm internal, 26mm external width - Black rim graphics and spoke nipples - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Park's BBT-32 is the perfect solution for the home mechanic installing and removing Shimano and ISIS Drive splined 20-tooth bottom bracket cups. Made from investment-cast steel, the BBT-32 utilizes a flat tooth profile to ensure maximum engagement with the bottom bracket cup and features 32mm wrench flats.

Park combines the three most used bolt sizes into one convenient wrench. The 3-Way Sprocket Wrench sports 8, 9 and 10mm sockets made from forged chrome-vanadium steel in Park's classic Y-shape that offers plenty of leverage and a comfortable grip.

If there ever was an underrated tool that you probably don’t have in your bike tool kit, it has to be the Valve Core Wrench. Designed to remove or install Presta Valve and Schrader Valve cores, this tiny tool can truly make the process of installing or refilling flat-prevention liquids and gels quick and painless. The versatility of the valve stem tool supports both valve types found on mountain bikes, road bike, commuting and electric bikes – never be stranded on your commute thanks to the Valve Core Wrench. Available separate, or found in our Team Edition and Ride Prep Tool Kits. - Fits Presta Valve and Schrader Valve bike tubes - File tread grip creates a comfortable and ergonomic grip - CRV tool steel metal core makes this a one-time purchase - Aides in the overhaul of suspension forks and rear suspension shocks - Found in our Ride Prep and Team Edition Tool Kits - Limited Lifetime Warranty

- Gravity locking system that secures to your front wheel - Easy installation - only requires a 15mm wrench (No keys) - WheelNutz provide internal "lock-out" function and can only be removed by turning the bike upside down 180 degrees - Use in tandem with Messenger Mini to create a complete locking solution for your bike - Weather protective coating keeps WheelNutz from corroding - Product weight: .17 lbs (.77kgs) - Only 81 grams per set - M9 thread

- Asymmetric Bead Socket Technology brings Stan's legendary easy inflation and the most reliable airtight seal to wider, offset carbon rims - Custom carbon layup equalizes impact forces on both the long and short sides of the rim, making both stronger - Asymmetric rim shape with offset drilling improves bracing angle and balances spoke tension to create a stronger overall wheel - M-pulse hubs - 250lb Recommended Maximum Rider Weight

- Light enough to take XC racing but was born from research and testing on the Enduro World Series circuit, making it a great rim for anyone looking to improve both descending and climbing - Asymmetric rim design allows for a stronger wheel while offering the easy inflation and Stan's trademark unmatched airtight seal. - 28mm internal width ideal for 2.2-2.5" tires - Light and durable 6069 aluminum with welded joint and reinforced spoke bed

- Light enough to take XC racing but was born from research and testing on the Enduro World Series circuit, making it a great rim for anyone looking to improve both descending and climbing - Asymmetric rim design allows for a stronger wheel while offering the easy inflation and Stan's trademark unmatched airtight seal. - 28mm internal width ideal for 2.2-2.5" tires - Light and durable 6069 aluminum with welded joint and reinforced spoke bed

- Low-profile 30mm internal width optimizes tire shape, traction, and control for 2.3-2.6" tires - Durable 6069 aluminum with welded joint and reinforced spoke bed - BST Asymmetric design combines Stan's legendary easy tubeless inflation with a stronger, more balanced wheel build - Reinforced spoke bed, combined with the offset drilling of the asym design, builds into an incredibly durable wheel that brings added confidence to every ride.

- Low-profile 30mm internal width optimizes tire shape, traction, and control for 2.3-2.6" tires - Durable 6069 aluminum with welded joint and reinforced spoke bed - BST Asymmetric design combines Stan's legendary easy tubeless inflation with a stronger, more balanced wheel build - Reinforced spoke bed, combined with the offset drilling of the asym design, builds into an incredibly durable wheel that brings added confidence to every ride.

- Low-profile 30mm internal width optimizes tire shape, traction, and control for 2.3-2.6" tires - Durable 6069 aluminum with welded joint and reinforced spoke bed - BST Asymmetric design combines Stan's legendary easy tubeless inflation with a stronger, more balanced wheel build - Reinforced spoke bed, combined with the offset drilling of the asym design, builds into an incredibly durable wheel that brings added confidence to every ride.

- Position Front - Wheel Diameter/ISO 700C / 622 - Axle Type QR - Hub Spacing 100mm - Wheel-Brake Comp. Rim - Freehub Body - - Wheel Tire Type Clincher - Rim Material Aluminum - Rim Construction Double wall - Rim Internal Width 18.4mm - Rim inner width range 0-21.9mm - Rim Color Silver - Rim Drilling 36 - Hub Model Formula FM-21-QR - Wheel Weight - - Spoke Type Stainless - Valve Schrader - Rim External Width 24.4mm - Depth 16mm - Rim Model Alex DM18 - Skewers Included Yes

The most compact adjustable torque socket available. Works with a 5mm Allen wrench or any mini-tool with a 5mm Allen key to provide correct tightening of frame and component bolts to recommended torque values for safety and performance. - Torque range: 2 – 6Nm - Functions: 7 - Tool Material: Hardened steel - TorqSocket Material: Steel / Aluminum - Rubber strap, Carry case - Size: 6.9 x 1.7cm / 2.7” x 0.7” (TorqSocket) - Weigh (TorqSocket) : 72g / 2.54oz - Weight: (TorqSocket+bits+case): 128g / 4.51oz Tools: - 3 / 4 / 5 Allen bits - T20 / T25 Torx bits

Joker Combination Wrench Set

The buyer's choice for wheel builders looking to save weight. The nipples are available with or without DT Pro Lock, a patented liquid inside the nipple thread that makes the connection between the nipple and spoke extremely durable. It pairs perfectly with any wheel, though all-brass nipples are recommended for e-bike use. - Weight: starting at 20g for 64 nipples

This is one of the most versatile spokes in the DT Swiss spoke range. DT competition gets its special strength from cold forging. This makes an extremely durable spoke and thanks to the thinner middle section, it is 48 g lighter (per 64 spokes) than a spoke with a constant diameter of 1.8 mm. It is perfect for a wide range of uses, from road wheels to super light enduro MTB wheels. - Double Butted: 2.0/1.8/2.0 - One 264mm spoke = 6g - Nipples sold separately

- Affordable and reliable road rim brake wheel - Silver rim, spoke and hubs for a classic look - Semi-aero Alex DA22 rim is light (450g) and stiff - Shimano Tiagra-grade RS400 hubs feature smooth, adjustable cup-and-cone bearings with polished races for superior, long lasting performance - 32 stainless steel spokes and brass nipples for long term reliability - 8-11 speed compatible Shimano HG11 freehub body.

If you have a mechanical out on the trail, Topeak's Mini 20 Pro folding tool saves the day. Its forged-aluminum body holds 20 tools including: 2, 2.5, 3, 4, 5, 6, 8 and 10mm Allen wrenches, a T25 and T10 Torx wrench, 14- and 15-gauge spoke wrenches, a cast-chromoly chain tool, aluminum tire lever, Phillips and flat-blade screwdrivers, and a bottle opener.

Having trouble getting at internal spoke nipples? Park's Square Socket Internal Nipple Spoke Wrench comes to your rescue. The extra-long socket fits recessed nipples on most deep-section aero wheels. And, the ergonomic handle is comfortable even after you've built wheels for the entire team.

Never leave safety behind. Topeak's Mini 18+ folding tool lets you take it all with you without weighing you down. Its forged-aluminum body holds 18 tools including: 2, 2.5, 3, 4, 5, 6, 8 and 10mm Allen wrenches, a T25 Torx wrench, 14- and 15-gauge spoke wrenches, a cast-chromoly chain tool, aluminum tire lever, Phillips and flat-blade screwdrivers, and a bottle opener.

Park's Hex Wrench Set offers 3, 4, 5, 6, 8, and 10mm Allen wrenches with chamfered tips for a great grip and easy use. The one-piece fiber-reinforced-resin handle is light, comfortable, slip-resistant, and 40% stronger than traditional steel handles.

This is one of the most versatile spokes in the DT Swiss spoke range. DT competition gets its special strength from cold forging. This makes an extremely durable spoke and thanks to the thinner middle section, it is 48 g lighter (per 64 spokes) than a spoke with a constant diameter of 1.8 mm. It is perfect for a wide range of uses, from road wheels to super light enduro MTB wheels. - Double Butted: 2.0/1.8/2.0 - One 264mm spoke = 6g - Nipples sold separately

Developed for locking the nipple to the spoke during the wheel-building process, preventing the spoke-nipple connection from loosening. - Holds nipples in place but allows for up to 5 adjustments before compound breaks down - Use with light oil for a secure, re-trueable wheel or use by itself for a maximum bond - Developed in conjunction with Loctite - Includes two 10ml bottles

Torx Wrench sizes: #1: Torx T25, T30, T40 #2: Torx T10, T25, T30 TB-2638: Torx T25, T30, T40

The Nano TorqBar is the slimmest preset torque wrench available, but don’t let its size deceive you. It is a precision-crafted, high quality tool for either the home mechanic, professional bike shop, or your own jersey pocket. Its advanced torque limit release design consistently applies precise torque values on component bolts for safety and prevents damage to expensive carbon parts. Includes preset TorqBit and the 5 most popular tool bits (3/4/5mm hex & T20/T25 Torx).

Replacement M8 Nut/Bolt Set for Wheels Mfg derailleur hangers. - M8 chainring bolt style fastener - Use with 5mm hex wrench

- Aids in the quick change of oil-bath fluid in RockShox Totem forks and for servicing/bleeding XX-Series Xloc hydraulic remote systems (Not for reverb seatposts) - Includes: Speed lube syringe+hose, adapter fittings/O-rings, And port-access wrench

TorqSocket kit works with any mini-tool containing a 5 mm Allen wrench (or single 5 mm Allen key). Applies correct torque on component bolts for safety and to prevent damage to carbon parts. - Includes 3,4.5mm hex bits, T20 & 25 Torx - Packaged in own carrying case - Material: Hardened steel - Size: 2.1" x 2" x 0.9" - Weight: 75g

- CNC 7075 alloy side plates with link storage - Optimized for mountain bikers and gravel riders - Anti-corrosion forged center-pivot stainless steel bits - Durable stainless steel fastening hardware - Hex 2/2.5/3/4/5/6/8mm - T10/T25/T30 - Phillips - New chain breaker tool (includes hex 8/10mm wrench, 4 spoke wrenches) - Multi-function flat tool (bottle opener, disc brake wedge, rotor truing tool) - 156g

A tough, tubeless-compatible 26-inch disc wheelset in traditional non-boost thru-axle spacing. - Pinned construction double-wall rim with a 24mm internal width, tubeless compatibility, and offset/asymmetrical construction - Asymmetric rims w/offset spoke holes for better triangulation of spoke angles and balance of tensions in a wheel build, resulting in a stronger, stiffer, and more reliable wheel - Joytech thru-axle alloy 6-Bolt hubs w/serviceable cup and cone bearings - Shimano steel freehub: 8/9/10/11sp MTB compatibility - 6-Bolt disc compatible only - Reinforced head straight gauge 14G/2.0mm Stainless Steel spokes (black) w/12mm brass nipples (black) - Weight: 1123g

A thru-axle 700c disc wheel with convenient dual Center Lock/6-Bolt disc that is perfectly suited to modern road, CX, or gravel applications. - A lightweight (470g), pinned construction double-wall rim with new-school 23mm internal width, tubeless compatibility, offset/asymmetrical construction, and hookless bead profile - Asymmetric rims w/offset spoke holes for better triangulation of spoke angles and balance of tensions in a wheel build, resulting in a stronger, stiffer, more compliant, and more reliable wheel - Joytech thru-axle alloy Center Lock hubs w/serviceable cup and cone bearings - Ships with CL-to-6-Bolt adapter and lockring full dual Center Lock/6-Bolt compatibility - Reinforced head plain gauge 14G/2.0mm SUS304 Stainless Steel spokes (black) w/12mm brass nipples (black) - 32H/3X lacing - Presta drilling - High-pressure rim tape included (non-tubeless) - Tubeless Compatible - Weight: 948g

- Machined to match manufacturer specifications and designed to be used with a ½” drive socket or torque wrench for easy installation and removal of e-bike lockrings. - Precision machined aluminum body. - Anodized in Wheels MFG red.

- Machined to match manufacturer specifications and designed to be used with a ½” drive socket or torque wrench for easy installation and removal of e-bike lockrings. - Precision machined aluminum body. - Anodized in Wheels MFG red.

- Machined to match manufacturer specifications and designed to be used with a ½” drive socket or torque wrench for easy installation and removal of e-bike lockrings. - Precision machined aluminum body. - Anodized in Wheels MFG red.

- Machined to match manufacturer specifications and designed to be used with a ½” drive socket or torque wrench for easy installation and removal of e-bike lockrings. - Precision machined aluminum body - Anodized in Wheels MFG red.

A carbon structure optimized for impact resistance, a reinforced flange and the ideal resin-carbon fiber ratio make the EXC 1200 Spline the benchmark in the Enduro sector. The rim's inherent strength allows the use of extremely lightweight Aerocomp and Aerolite spokes and generates optimum wheel stiffness. The heart of this wheel is a 180 Straight Pull hub with smooth-running SINC Ceramic bearings and the newest Ratchet EXP freehub system. - Requirement-specific carbon rims are designed for the ultimate enduro riding experience - The carbon rim combined with the DT Aerolite and DT Aero Comp spokes ensure perfect wheel stiffness - The low weight of the 1200 Spline reduces the moment of inertia and increases acceleration, leading to higher average speeds compared with aluminum wheels with the same energy input - 180 straightpull hub is a lighter, stiffer, and more durable hub - SINC ceramic hub bearings are engineered with optimum bearing clearance for minimum friction - Wheels are tubeless ready, with a rim design that ensures a precise and safe fit of the tire even when ridden hard - Nipples have DT Pro Lock to prevent the spoke-nipple connection from loosening - 3 cross spoke pattern, DT ProLock Squorx ProHead aluminum spoke nipples

The XMC 1200 Spline is the ultimate all mountain wheel. A carbon layup specifically tuned for all mountain use makes the rim tough yet super-light. The hubs feature the latest incarnation of DT's Ratchet System. Extremely refined machining and fully lasered graphics make them the lightest hubs DT Swiss has ever made. Together with bladed top-end spokes and perfect DT Swiss build quality, this wheel is made to ride trails with speed and confidence. - Requirement-specific carbon rims are designed for the ultimate all-mountain riding experience - The carbon rim combined with the DT Aerolite and DT Aero Comp spokes ensure perfect wheel stiffness - The low weight of the 1200 Spline reduces the moment of inertia and increases acceleration, leading to higher average speeds compared with aluminum wheels with the same energy input - 180 straightpull hub is a lighter, stiffer, and more durable hub - Alloy presta valve is lightweight - Wheels are tubeless ready, with a rim design that ensures a precise and safe fit of the tire even when ridden hard - Nipples have DT Pro Lock to prevent the spoke-nipple connection from loosening - 3 cross spoke pattern, DT AeroComp straight pull spokes, DT ProLock Squorx ProHead aluminum spoke nipples

DT Champion 2.0 spokes cover the whole spectrum from reliable road wheels to MTB gravity wheels. - Threadless spoke blanks - Nipples sold separately

DT Champion 2.0 spokes cover the whole spectrum from reliable road wheels to MTB gravity wheels. - Straight pull spoke blanks - Nipples sold separately

The Reverb is an advanced and complicated component and service becomes a breeze with this speciality wrench. Designed for use on the inner seal head and upper collet of both 30.9 and 31.6 millimeter version of the Reverb dropper post. This series of wrenches comes as a result of our collaboration with RockShox to develop a series of tools specifically for their suspension components. Built to hold the thin aluminum parts of the dampers to avoid damage. These wrenches are built with the same tool grade aluminum to tight tolerances to give you years of trouble free use. They will not damage or mar the sensitive parts inside your seastpost when used with care, keeping you and your customers happy. They also feature a 3/8" square drive in the middle to use with your favorite torque wrench during reassembly.

We listened to your requests and created a socket style Crombie tool that is compatible with ratchets and torque wrenches. The Socket Crombie has our signature finger spline at the top along with a 3/8" square drive for using your favorite ratchet or torque wrench. The tool is plenty deep to hide a quick release and still get full engagement on the lock ring. Compatible with all Campagnolo cassettes.

Replacement 6/8mm Hex bit for both the Abbey BBQ Wood Handled Pedal Wrench and the Team Issue Pedal Wrench.

The Shimano Crank Tool (SCT for short) is specifically built to service the chainring lockring on Shimano single ring cranksets for 12 speed drivetrains. It features a large hex that can be used with a 1.5" or 38mm wrench or locked into a vise. The clearance hole is kept to a minimum to keep the tool engaged on the low profile lockring, minimizing the chance of damaging the tool or parts. Compatibility: - Chain ring lockrings on Shimano 12spd mountain crank sets. - XT and Ultegra bottom brackets