Shimano Ultegra BBR60 Hollowtech II English Bottom Bracket Bike Accessories_Frame Protectors Mesh and Microtex upper: enhanced

Mesh and Microtex upper: enhanced ventilation with the needed support

The subtle center grooves and shoulder texture retain the secure feel of the Zaffiros of the past

Rotors: Shimano SM-RT800

in addition to 10 other output options thanks to its five LEDs

23% ELASTANE

Shimano Ultegra BBR60 Hollowtech II English Bottom Bracket Bike Accessories_Frame Protectors Mesh and Microtex upper: enhancedShimano 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 Spindle Interface Type: Shimano Hollowtech II BB Shell Width (mm): 68 Bottom Bracket Shell I. D.: 1. 37 BB Frame Interface: English Defined Color: Black Weight: 77g