Bottom Bracket58

Filter
from the most popular
Shimano BB-UN300 Square Taper BSA 73 mm Thread Bottom Bracket
£ 15,10

Shimano BB-UN300 Square Taper BSA 73 mm Thread Bottom Bracket

Bottom square bracket. |   | lenght 113 mm | suitable for frames with BSA thread (73 mm) | Bottom Bracket: BSA 73 mm | Made in: Indonesia | Length (mm): 113.0 | Axle Standard: Square Taper | Mounting System: Thread
Shimano BB-UN300 Square Taper BSA 68 mm Thread Bottom Bracket
£ 14,00

Shimano BB-UN300 Square Taper BSA 68 mm Thread Bottom Bracket

Bottom square bracket. |   | lenght 113 mm | suitable for frames with BSA thread (68 mm) | Bottom Bracket: BSA 68 mm | Made in: Indonesia | Length (mm): 113.0 | Axle Standard: Square Taper | Mounting System: Thread
Shimano Y13009210 Tool
£ 13,20

Shimano Y13009210 Tool

For installation and removal of HOLLOWTECH II/2-PIECE CRANKSET bottom bracket adapterHardened steel for rigidity and durability | Made in: Japan
Shimano SM-BB72-41B Hollowtech II 41 x 86,5 mm-BB86 Press-Fit Bottom Bracket
£ 32,00

Shimano SM-BB72-41B Hollowtech II 41 x 86,5 mm-BB86 Press-Fit Bottom Bracket

Compatible with SAINT cranks, the SAINT bottom bracket. | Bottom Bracket: BB86;41 x 86,5 mm | Mounting System: Press-Fit | Made in: Japan | Axle Standard: Hollowtech II
Shimano SM-BB71-41A Hollowtech II 41 x 89,5/92 mm-BB92 Press-Fit Bottom Bracket
£ 19,30

Shimano SM-BB71-41A Hollowtech II 41 x 89,5/92 mm-BB92 Press-Fit Bottom Bracket

Compatible with SAINT cranks, the SAINT bottom bracket. | Bottom Bracket: 41 x 89,5/92 mm;BB92 | Length (mm): 92.0 | Made in: Japan | Mounting System: Press-Fit | Axle Standard: Hollowtech II
Lezyne CNC Alloy BB Tool - 4612 Tool
£ 27,60

Lezyne CNC Alloy BB Tool - 4612 Tool

Rugged, thoroughly engineered shop-quality bike bottom bracket tool with classic Lezyne styling. Machined from premium 7075-T6 aluminum with a slick anodized black finish, the CNC Alloy BB Tool is a long-lasting premium shop tool for everyone from professional bike mechanics to recreational
Shimano BB-ES300 Octalink BSA 73 mm Thread Bottom Bracket
£ 18,90

Shimano BB-ES300 Octalink BSA 73 mm Thread Bottom Bracket

Bottom bracket with round hollow axle for Octalink cranksets. lenght 121 mmsuitable for frames with BSA thread (73 mm).BB-Type: Octalink | Mounting System: Thread | Length (mm): 121.0 | Axle Standard: Octalink | Made in: Indonesia | Bottom Bracket: BSA 73 mm
Shimano BB-ES300 Octalink BSA 68 mm Thread Bottom Bracket
£ 17,70

Shimano BB-ES300 Octalink BSA 68 mm Thread Bottom Bracket

Bottom bracket with round hollow axle for Octalink cranksets. |   | lenght 126 mm | suitable for frames with BSA thread (68 mm). | BB-Type: Octalink | Length (mm): 126.0 | Axle Standard: Octalink | Made in: Indonesia | Bottom Bracket: BSA 68 mm | Mounting System: Thread
Shimano BB-ES300 Octalink BSA 73 mm Thread Bottom Bracket
£ 18,70

Shimano BB-ES300 Octalink BSA 73 mm Thread Bottom Bracket

Bottom bracket with round hollow axle for Octalink cranksets. lenght 113 mmsuitable for frames with BSA thread (73 mm).BB-Type: Octalink | Mounting System: Thread | Axle Standard: Octalink | Bottom Bracket: BSA 73 mm | Length (mm): 113.0 | Made in: Indonesia
Shimano BB-ES300 Octalink BSA 73 mm Thread Bottom Bracket
£ 19,00

Shimano BB-ES300 Octalink BSA 73 mm Thread Bottom Bracket

Bottom bracket with round hollow axle for Octalink cranksets. |   | lenght 118 mm | suitable for frames with BSA thread (73 mm). | BB-Type: Octalink | Length (mm): 118.0 | Bottom Bracket: BSA 73 mm | Made in: Indonesia | Axle Standard: Octalink | Mounting System: Thread
Shimano SM-BB71-41B Hollowtech II 41 x 86,5 mm-BB86 Press-Fit Bottom Bracket
£ 19,20

Shimano SM-BB71-41B Hollowtech II 41 x 86,5 mm-BB86 Press-Fit Bottom Bracket

Compatible with SAINT cranks, the SAINT bottom bracket. | Length (mm): 86.5 | Made in: Japan | Bottom Bracket: BB86;41 x 86,5 mm | Axle Standard: Hollowtech II | Mounting System: Press-Fit
Shimano SM-BBR60 Hollowtech II BSA 68 mm Thread Bottom Bracket
£ 17,40

Shimano SM-BBR60 Hollowtech II BSA 68 mm Thread Bottom Bracket

With reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life. |   | Bottom Bracket | Threaded | HOLLOWTECH II | Made in: Japan | Axle Standard: Hollowtech II | Bottom Bracket: BSA 68 mm | Mounting System: Thread
Shimano SM-BB80 Hollowtech II BSA 83 mm Thread Bottom Bracket
£ 32,00

Shimano SM-BB80 Hollowtech II BSA 83 mm Thread Bottom Bracket

The SAINT bottom bracket receives a matching gold anodization and is compatible with threaded 83 mm frames. | Bottom Bracket: BSA 83 mm | Axle Standard: Hollowtech II | Made in: Japan | Mounting System: Thread
Shimano SM-BB93 Hollowtech II BSA 68/73 mm Thread Bottom Bracket
£ 46,20

Shimano SM-BB93 Hollowtech II BSA 68/73 mm Thread Bottom Bracket

With smoot rotation and better sealing performance, the SHIMANO XTR bottom bracket is durable for mountain bike usage. It is available in threaded and press-fit options. | Axle Standard: Hollowtech II | Made in: Japan | Bottom Bracket: BSA 68/73 mm | Mounting System: Thread
Shimano SM-BBR60 Hollowtech II ITA 70 mm Thread Bottom Bracket
£ 26,60

Shimano SM-BBR60 Hollowtech II ITA 70 mm Thread Bottom Bracket

With reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life. Bottom BracketThreadedHOLLOWTECH II | Axle Standard: Hollowtech II | Bottom Bracket: ITA 70 mm | Made in: Japan | Mounting System: Thread
Shimano BB-ES300 Octalink BSA 68 mm Thread Bottom Bracket
£ 17,70

Shimano BB-ES300 Octalink BSA 68 mm Thread Bottom Bracket

Bottom bracket with round hollow axle for Octalink cranksets. |   | lenght 121 mm | suitable for frames with BSA thread (68 mm). | BB-Type: Octalink | Mounting System: Thread | Axle Standard: Octalink | Bottom Bracket: BSA 68 mm | Length (mm): 121.0 | Made in: Indonesia
Shimano BB-ES300 Octalink BSA 68 mm Thread Bottom Bracket
£ 17,70

Shimano BB-ES300 Octalink BSA 68 mm Thread Bottom Bracket

Bottom bracket with round hollow axle for Octalink cranksets. |   | lenght 113 mm | suitable for frames with BSA thread (68 mm). | BB-Type: Octalink | suitable for cranks FCR345 | Made in: Indonesia | Axle Standard: Octalink | Length (mm): 113.0 | Bottom Bracket: BSA 68 mm | Mounting System: Thread
Shimano BB-MT501 Hollowtech II BSA 68/73 mm Thread Bottom Bracket
£ 19,20

Shimano BB-MT501 Hollowtech II BSA 68/73 mm Thread Bottom Bracket

With better sealing and rotation the SHIMANO DEORE bottom bracket delivers high driving efficiency. HOLLOWTECH II Providing the best balance of stiffness, strength, weight and rotating performance. The concept of HOLLOWTECH II technology is focused on producing a superior crankset which will
Quarq DUB BSA DUB BSA 68 mm Thread Bottom Bracket
£ 40,60

Quarq DUB BSA DUB BSA 68 mm Thread Bottom Bracket

The SRAM DUB bottom bracket series has a simple job-connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every
Shimano BB-UN300 Square Taper BSA 68 mm Thread Bottom Bracket
£ 14,00

Shimano BB-UN300 Square Taper BSA 68 mm Thread Bottom Bracket

Bottom square bracket. |   | lenght 118 mm | suitable for frames with BSA thread (68 mm) | Made in: Indonesia | Bottom Bracket: BSA 68 mm | Length (mm): 118.0 | Mounting System: Thread | Axle Standard: Square Taper
Quarq DUB BSA DUB BSA 68/73 mm Thread Bottom Bracket
£ 40,60

Quarq DUB BSA DUB BSA 68/73 mm Thread Bottom Bracket

The SRAM DUB bottom bracket series has a simple job-connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every
Shimano BB-UN300 Square Taper BSA 68 mm Thread Bottom Bracket
£ 14,00

Shimano BB-UN300 Square Taper BSA 68 mm Thread Bottom Bracket

Bottom square bracket. |   | lenght 115 mm | suitable for frames with BSA thread (68 mm) | Mounting System: Thread | Axle Standard: Square Taper | Made in: Indonesia | Bottom Bracket: BSA 68 mm | Length (mm): 115.0
Shimano BB-UN300 Square Taper BSA 68 mm Thread Bottom Bracket
£ 16,20

Shimano BB-UN300 Square Taper BSA 68 mm Thread Bottom Bracket

Bottom square bracket. |   | lenght 127 mm | suitable for frames with BSA thread (68 mm) | Mounting System: Thread | Axle Standard: Square Taper | Length (mm): 127.0 | Made in: Indonesia | Bottom Bracket: BSA 68 mm
Shimano BB-UN300 Square Taper BSA 73 mm Thread Bottom Bracket
£ 15,10

Shimano BB-UN300 Square Taper BSA 73 mm Thread Bottom Bracket

Bottom square bracket. |   | lenght 122,5 mm | suitable for frames with BSA thread (73 mm) | Made in: Indonesia | Length (mm): 122.5 | Bottom Bracket: BSA 73 mm | Axle Standard: Square Taper | Mounting System: Thread
Shimano BB-UN300 Square Taper BSA 73 mm Thread Bottom Bracket
£ 15,10

Shimano BB-UN300 Square Taper BSA 73 mm Thread Bottom Bracket

Bottom square bracket. |   | lenght 118 mm | suitable for frames with BSA thread (73 mm) | Mounting System: Thread | Axle Standard: Square Taper | Made in: Indonesia | Bottom Bracket: BSA 73 mm | Length (mm): 118.0
Shimano Y13098210 Tool
£ 24,10

Shimano Y13098210 Tool

For removal of cotterless crank arm | Installation and removal of front chain wheel for square bottom bracket with 14 mm fixing bolt | Internal puller can be rotated with 15 mm wrench, 14 mm hex or 8 mm hex wrench | Hardened steel for rigidity and durability | Made in: Taiwan
Shimano BB-UN300 Square Taper BSA 68 mm Thread Bottom Bracket
£ 14,00

Shimano BB-UN300 Square Taper BSA 68 mm Thread Bottom Bracket

Bottom square bracket. lenght 123 mmsuitable for frames with BSA thread (68 mm) | Axle Standard: Square Taper | Mounting System: Thread | Made in: Indonesia | Length (mm): 123.0 | Bottom Bracket: BSA 68 mm
Shimano BB-5500 Octalink V1 BSA 68 mm Thread Bottom Bracket
£ 35,80

Shimano BB-5500 Octalink V1 BSA 68 mm Thread Bottom Bracket

Bottom Bracket with small ball bearings for lightweight. With an advanced seal construction for smoother rotation. | Material: Steel;Aluminium | Mounting System: Thread | Bottom Bracket: BSA 68 mm | Length (mm): 109.5 | Axle Standard: Octalink V1 | Made in: Indonesia
Quarq DUB PressFit30 DUB 46 x 68/73 mm-PF30 Press-Fit Bottom Bracket
£ 43,30

Quarq DUB PressFit30 DUB 46 x 68/73 mm-PF30 Press-Fit Bottom Bracket

The SRAM DUB bottom bracket series has a simple job-connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every
Quarq DUB PressFit30 DUB 46 x 86,5 mm-BB386 Press-Fit Bottom Bracket
£ 37,90

Quarq DUB PressFit30 DUB 46 x 86,5 mm-BB386 Press-Fit Bottom Bracket

The SRAM DUB bottom bracket series has a simple job-connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every
Shimano BB-UN300 Square Taper BSA 68 mm Thread Bottom Bracket
£ 14,00

Shimano BB-UN300 Square Taper BSA 68 mm Thread Bottom Bracket

Bottom square bracket. |   | lenght 122,5 mm | suitable for frames with BSA thread (68 mm) | Length (mm): 122.5 | Made in: Indonesia | Bottom Bracket: BSA 68 mm | Axle Standard: Square Taper | Mounting System: Thread
Shimano SM-BB944-1A Hollowtech II 41 x 89,5/92 mm-BB92 Press-Fit Bottom Bracket
£ 27,30

Shimano SM-BB944-1A Hollowtech II 41 x 89,5/92 mm-BB92 Press-Fit Bottom Bracket

With smoot rotation and better sealing performance, the SHIMANO XTR bottom bracket is durable for mountain bike usage. It is available in threaded and press-fit options. Lightweight to offset weight disadvantage of drivetrainSmoother rotationBetter sealing performanceDurable enough for mountain
Quarq DUB PressFit DUB 41 x 89,5/92 mm-BB92 Press-Fit Bottom Bracket
£ 47,90

Quarq DUB PressFit DUB 41 x 89,5/92 mm-BB92 Press-Fit Bottom Bracket

The SRAM DUB bottom bracket series has a simple job-connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every
Shimano BB-MT500-PA Hollowtech II 41 x 89,5/92 mm-BB92 Press-Fit Bottom Bracket
£ 17,70

Shimano BB-MT500-PA Hollowtech II 41 x 89,5/92 mm-BB92 Press-Fit Bottom Bracket

Bottom Bracket with better sealing  for longer life. The TL-BB12 press must be used for assembly. |   | Better sealing and rotation | Press-Fit | Bike Type: MTB with integrated axle 24 mm | SHIMANO DEORE bottom bracket | Shell Width: 89,5 mm | Mounting System: Press-Fit | Made in: Malaysia | Bottom Bracket: 41
Shimano BB-RS500-PB Hollowtech II 41 x 89,5/92 mm-BB92 Press-Fit Bottom Bracket
£ 19,80

Shimano BB-RS500-PB Hollowtech II 41 x 89,5/92 mm-BB92 Press-Fit Bottom Bracket

Bottom Bracket with better sealing  for longer life. The TL-BB12 press must be used for assembly. |   | Better sealing and rotation | Press-Fit | Bike Type: integrated axle 24 mm | For axles FC-R3000, FC4700 | Shell Width: 86,5 mm | Bottom Bracket: BB92;41 x 89,5/92 mm | Axle Standard: Hollowtech
SRAM Pressfit Adaptor BSA 68/73 mm Bottom Bracket
£ 35,70

SRAM Pressfit Adaptor BSA 68/73 mm Bottom Bracket

PressFit 30 to BSA adapter, 68 or 73mm. | Made in: Taiwan | Bottom Bracket: BSA 68/73 mm
BBB PowerPull Black
£ 12,70

BBB PowerPull Black

It can be pretty hard to separate the bottom bracket and the crank from each other. The PowerPull gives you the power to pull. With an evenly divided force the PowerPull makes the job much easier and will prevent damage to your crank, bottom bracket or frame. Separates the crank from the bike’s
Feedback Sport Bottom Bracket Tool Tool
£ 40,40

Feedback Sport Bottom Bracket Tool Tool

Bottom bracket tool is a practical helper for all cyclists. | Diameter: 44 mm | Made in: Taiwan | Type of Product: Tools
Shimano Y13098240 Tool
£ 24,90

Shimano Y13098240 Tool

Holds the slotted Hexalobular T40 chainring fixing nut securely during the installation and removal of the chainringProfessional version of TL-FC21Chrome plated for durabilityGuide pin stabilizes the toolErgonomic designBest to use with TL-FC23 | Made in: Taiwan
Shimano Y13009250 Tool
£ 22,00

Shimano Y13009250 Tool

For installation and removal of SM-BB9000, SM-BB93Impact wrench version of TL-FC24Precise serration profileHardened steel for rigidity and durability | Made in: Japan
Shimano Y13098280 Tool
£ 27,70

Shimano Y13098280 Tool

For installation and removal of HOLLOWTECH II/2-PIECE CRANKSET crank arm fixing boltProfessional version of TL-FC16Chrome plated steel head for durabilityErgonomic handle makes it easier to loosen the firmly fixed crank arm fixing boltBe careful not to overtighten the crank fixing bolt | Made in:
Shimano BB-MT800 Hollowtech II 41 x 89,5/92 mm-BB92 Press-Fit Bottom Bracket
£ 27,50

Shimano BB-MT800 Hollowtech II 41 x 89,5/92 mm-BB92 Press-Fit Bottom Bracket

SHIMANO Bottom Bracket. |   | Press-Fit | HOLLOWTECH II  | 89.5 / 92 mm shell width | For SHIMANO 24 mm MTB cranks | high quality sealed bearings | Ride anywhere 11-speed rider tuned gearing | Bottom Bracket: BB92;41 x 89,5/92 mm | Made in: Japan | Mounting System: Press-Fit | Axle Standard: Hollowtech II
Shimano Y13098720 Tool
£ 17,60

Shimano Y13098720 Tool

Installation and removal of chainring lock ringsAdapter style to use with TL-FC36, TL-FC33 or TL-FC32Precise serration profileHardened steel for rigidity and durabilityAdapter style to use with TL-FC36, TL-FC33 or TL-FC32COMPATIBILITY: FC-M9100 / M9120 / M9130 / M8100 / M8120 / M8130 / M7100 /
Shimano Y13009270 Tool
£ 26,00

Shimano Y13009270 Tool

For installation and removal of SM-BBR60 | Impact wrench version of TL-FC25 | Precise serration profile | Hardened steel for rigidity and durability | Made in: Japan
Lezyne CNC Alloy BB Tool - 3916 Tool
£ 20,70

Lezyne CNC Alloy BB Tool - 3916 Tool

Rugged, thoroughly engineered shop-quality bike bottom bracket tool with classic Lezyne styling. Machined from premium 7075-T6 aluminum with a slick anodized black finish, the CNC Alloy BB Tool is a long-lasting premium shop tool for everyone from professional bike mechanics to recreational
Lezyne CNC Alloy BB Tool - 4116 Tool
£ 20,00

Lezyne CNC Alloy BB Tool - 4116 Tool

Rugged, thoroughly engineered shop-quality bike bottom bracket tool with classic Lezyne styling. Machined from premium 7075-T6 aluminum with a slick anodized black finish, the CNC Alloy BB Tool is a long-lasting premium shop tool for everyone from professional bike mechanics to recreational
Lezyne CNC Alloy BB Tool - 4416 Tool
£ 23,40

Lezyne CNC Alloy BB Tool - 4416 Tool

Rugged, thoroughly engineered shop-quality bike bottom bracket tool with classic Lezyne styling. Machined from premium 7075-T6 aluminum with a slick anodized black finish, the CNC Alloy BB Tool is a long-lasting premium shop tool for everyone from professional bike mechanics to recreational
Shimano BB-R9100 Hollowtech II ITA 70 mm Thread Bottom Bracket
£ 34,90

Shimano BB-R9100 Hollowtech II ITA 70 mm Thread Bottom Bracket

With an advanced seal construction for smoother rotation and small ball bearings to minimize weight, the SHIMANO DURA-ACE bottom bracket is offered in both pressfit and threaded options. Bottom bracket with small ball bearings for lightweightAdvanced seal construction for smoother rotation | Bottom
Shimano FC-R7100 Hollowtech II BBR60-175 mm Thread Bottom Bracket
£ 146,00

Shimano FC-R7100 Hollowtech II BBR60-175 mm Thread Bottom Bracket

An attractive aluminum crank with hollow arms for lightweight, rigidity, and durability.The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it
Shimano BB-R9100 Hollowtech II BSA 68 mm Thread Bottom Bracket
£ 32,00

Shimano BB-R9100 Hollowtech II BSA 68 mm Thread Bottom Bracket

Center bearings BBR9100, threaded, English thread BSA, For cranks with integrated shaft 24mm, for road cranks DURA-ACE. New construction with reduced dimensions and improved sealing for long life. For frame width 68mm. For mounting, it is necessary to use the TL-FC24 tool reducer, which is NOT
Shimano FC-R7100 Hollowtech II BBR60-172,5 mm Thread Bottom Bracket
£ 113,00

Shimano FC-R7100 Hollowtech II BBR60-172,5 mm Thread Bottom Bracket

An attractive aluminum crank with hollow arms for lightweight, rigidity, and durability.The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it
Shimano SM-BB92-41B Hollowtech II 41 x 86,5 mm-BB86 Press-Fit Bottom Bracket
£ 39,60

Shimano SM-BB92-41B Hollowtech II 41 x 86,5 mm-BB86 Press-Fit Bottom Bracket

With an advanced seal construction for smoother rotation, the DURA-ACE is still lightweight at 54 grams. |   | Bottom bracket with small ball bearings for lightweight | Advanced seal construction for smoother rotation | Bottom Bracket: BB86;41 x 86,5 mm | Made in: Japan | Mounting System: Press-Fit | Axle
Osculati Stainless Steel conical flagstaff no base 40 cm
£ 14,00

Osculati Stainless Steel conical flagstaff no base 40 cm

Stainless steel pillar flag with eyelets, without bottom bracket. Length - 40 cm, diameter - 14 mm, for flags - max. 20 x 30 cm. | Made in: Italy
Osculati Stainless Steel conical flagstaff no base 60 cm
£ 22,50

Osculati Stainless Steel conical flagstaff no base 60 cm

Stainless steel pillar with flap eyes without bottom bracket. Length - 60 cm, diameter - 20 mm, for flags max. 40 x 60 cm. | Made in: Italy
Topeak Universal Crank Puller Tool
£ 14,20

Topeak Universal Crank Puller Tool

This tool has a built-in rotating tip for square tapered crank arms and an additional rotating tip for ISIS Drive® and Octalink® crank arms.* Octalink® is a registered trademark of Shimano® Inc. | Designed in: Germany | Made in: Taiwan | Type of Product: Tools
Shimano Y13098200 Tool
£ 32,60

Shimano Y13098200 Tool

Shimano Crank Arm ToolUse one side of the tool to install and the other side to remove XTR FC-M970 left crank armsFor removal an 8 mm allen key is also required | Made in: Japan
Topeak PrepStand Max
£ 114,00

Topeak PrepStand Max

A lightweight, folding stand for home use. Hard rubber jaws hold bottom bracket securely and front wheel hook adds stability when working on bike. | Colour: Black | Made in: Taiwan
Shimano FC-MT210-3 175.0 22T-30T-40T Crankset
£ 38,80

Shimano FC-MT210-3 175.0 22T-30T-40T Crankset

With a 2-piece construction compatible with outboard 24 mm bottom brackets, the SHIMANO FC-MT210-3 is designed for 3 x 9 speed MTB drivetrains. It features SG-X chainrings and precise, reliable shifting. | | Smooth and precise shifting performance for trail focused riders | Narrow Q-factor provides