Bottom Brackets

Shimano BB-UN55 bottom bracket British thread 68 - 127 mm Silver 68 - 127 mm

Splined bottom bracket for use with Shimano Octalink chainsets
Oversize BB spindle - large 22 mm diameter hollow cold forged chrome-moly pipe billet spindle reduces weight, increases strength and rigidity
Octalink splined axle/crank arm interface - resu

Genuine Shimano HollowTech II bottom bracket assembly
Set includes left and right hand cups, spacers, inner cover, and inner O-rings
Sealed cups keep out dirt and water
Maintenance free
Compatible with 68 mm and 73 mm shell
Durable anodised finish
E

A good quality bottom bracket for traditional chainsets
Super-accurate bearings for smooth operation and improved durability
Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting
Lightweight hollow spindle
Maintenan

Inner bearing: Sealed
BSA thread
Aluminium cups
CrMo hollow axle

JIS standard taper
Sealed Cartridge Bearings
BB Shell Width: 68mm
Steel shell and Cr-Mo axle
Cup Thread - BC 1.37 x 24T
Axle Screw - M8 x P1.0 Flange Screw (NOT Included)
Average Weight - 338g (113mm)

HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency
HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased

A good quality bottom bracket for traditional chainsets
Super-accurate bearings for smooth operation and improved durability
Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting
Maintenance-free sealed cartridge bea

This is our English Threaded/BSA M30 bottom bracket for installing a Praxis M30 Spindle based crank into a BSA English threaded frame. Our patent pending design keeps the cartridge bearings outboard of the frame for greater rigidity and free of frame/c-cl

BB-5500 105 bottom bracket 70 - 118 mm Silver/Black IT 70 - 118 mm

Splined bottom bracket for use with Shimano Octalink chainsets.

Features:
Oversize BB spindle - large 22mm diameter hollow cold forged chrome-moly pipe billet spindle reduces weight, increases strength and rigidity
Octalink splined axle/crank arm int

Complete Ultegra level press-fit bottom bracket assembly for Shimano HollowTech II road cranks
Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage
Set includes left and right hand cups, inner cover, and

BB-frame interface: PF30 (73mm)
Crank-BB interface: DUB
Bearing type: Standard
Spindle diameter: DUB
Spindle length: n/a
Chainline: n/a
Support E-type FD: n/a
Cup material: Aluminum

Our square taper bottom bracket utilises a forged and heat treated axle with sealed cartridge bearings to ensure trouble and maintenance free operation for longer than most of our major competitors.
The cups are chrome plated steel for strength.

WHAT THE WORLD SPINS ON
Wider PressFit 30 bottom bracket to accommodate wider bottom bracket specifications.

• PressFit 30 bottom bracket 68-92

Complete XT level press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks
Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage
Set includes left and right hand cups, 2.5 mm spacer, inner co

Splined bottom bracket designed for use with Shimano road Octalink crankset
Oversize BB spindle - large 22 mm diameter chrome-moly hollow pipe billet spindle reduces weight, increases strength and rigidity
Octalink splined axle/crank arm interface - res

Complete XTR level press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks
Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage
Set includes left and right hand cups, 2.5 mm spacer, inner c

Alloy cups & 68mm Shell / Choice of axle length
Standard British ISO thread: BC1.37" x 24TPI

Shimano BB-RS500 bottom bracket cups - Italian thread cups

Inner bearing: Sealed
BSA thread
Aluminium cups
CrMo hollow axle

Genuine Shimano HollowTech II bottom bracket assembly
Set includes left and right hand cups, spacers, inner cover, and inner O-rings
Light weight seal structure helps to remove vital grams
Sealed cups keep out dirt and water
Maintenance free
For use

CNC Hollow Cromo AxleCarbon bodyAlloy CupsBB Shell: 68/73mm BSA 1.37 Inch x 24 TR/L CupsCNS Patent M321001 & #216105Weight: 205g (TK866CM/103mm)

A good quality bottom bracket for traditional chainsets
Super-accurate bearings for smooth operation and improved durability
Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting
Maintenance-free sealed cartridge bea