
Bottom Bracket Shimano BB-UN101 Square Taper BSA 122.5/73 mm
Shimano BB-UN101 square taper bottom bracket for 73 mm BSA threaded shells. Features a 122.5 mm steel spindle, plastic cups and JIS crankset compatibility.
Cranksets, chainrings and bottom brackets form the core of your bike’s drivetrain, transferring pedaling power efficiently to the rear wheel. Properly matched components ensure smooth shifting, improved performance and long-term durability.
In this category you will find cranksets for MTB, road, gravel, city and kids bikes, front chainrings with various tooth counts, and bottom brackets in different standards such as BSA and PressFit. Correct sizing and compatibility are essential for optimal performance and reliability.
High-quality drivetrain components improve pedaling efficiency, reduce wear and guarantee consistent performance in all conditions.
Explore our range and build a reliable and efficient drivetrain for your bike.

Shimano BB-UN101 square taper bottom bracket for 73 mm BSA threaded shells. Features a 122.5 mm steel spindle, plastic cups and JIS crankset compatibility.

Shimano BB-UN101 is a sealed square taper bottom bracket for frames with a 68 mm bottom bracket shell and compatible square taper cranksets.

Shimano SLX M660 22T chainring ensures precise shifting and strong power delivery for SLX 3x9 and Deore 2x10 MTB setups.

Lightweight and stiff 39T Hollowglide chainring for Shimano Ultegra FC-R8000 2x11 systems, ensuring precise and smooth road shifting.

Shimano 105 FC-R7000 34T-MS inner chainring for 11-speed road cranksets. Black anodised aluminium, 110 mm BCD, 4-arm mounting, designed for 50-34T gearing.



Shimano Acera FC-M361 22T inner chainring for 3x7/8-speed cranksets. Features 64 mm BCD and four mounting holes. Ideal for replacing a worn chainring.

Shimano Acera FC-M361 28T middle chainring for 3x7/8-speed cranksets. Features 64 mm BCD and four mounting holes. Ideal for replacing a worn chainring.

Strong 28T steel chainring for Shimano Deore FC-M6000-2 2x10 systems, delivering reliable and smooth MTB shifting performance.





Shimano XT FC-M8000 M8x9 mm aluminium chainring bolts for 2x11-speed cranksets. Compatible with FC-M8000-2 and FC-M8000-B2. Set of 4, weighing 6 g.


Shimano FC-M782 chainring bolt set (4 pcs) for secure and reliable mounting on compatible MTB cranksets.


Original FSA bolt set for installing a single chainring on MTB 386 cranksets.



FSA MW112 spacer for MegaExo bottom brackets ensures correct installation in MTB frames with 83 mm bottom bracket shells, improving durability and drivetrain efficiency.

Black BMX crank fixing bolts for securing compatible crank arms to the spindle. Set includes two bolts for replacing worn or missing parts.

Durable Cr-Mo steel M8x15mm hex socket crank bolt for square taper bottom brackets, easy to install and secure fit.
