BOTTOM BRACKET, SM-BBR60, RIGHT & LEFT ADAPTER(BSA THREAD), W/TL-FC25Shimano Ultegra BB72, BBR60 Hollowtech II Bottom Brackets Reduced size for light weight New seal construction for smoother rotation Requires TL FC34 or included TL FC24 adaptor for installation & removal

Not compatible with Sram Flat Top or Shimano HG+ chain

Hydra 6 bolt mountain front boost hub shells

Wrap: 40 Cage/Mount: Long

the inclusion of the Roc Loc system for a dialed-in fit

The freewheel is silver in color and has an index SL design

Upgrade your fat bike with the CST Big Boat Tire and enjoy a smooth

2mm (7/8") clamp

Compatible with 44mm - 16 notch sockets such as the Wheels Mfg CL-Socket (#611137) and Park Tool BBT-69

and is produced with new manufacturing technology

Current headset top cap offerings:

Green = 100-50%

reduced rolling resistance