BB-R9100 Dura-Ace Bottom Bracket Size:68 x 24mm Option 1: For hot-melt waxing

Option 1: For hot-melt waxing a new

20 mph or 32 km/h max assist

Leather tape with perforated holes

90mm Fillmore Valve - fits Rim Depths between 48mm to 68mm

SRAM Paceline disc brake rotors incorporate the elegant design of SRAM's eTap AXS road groupsets

BB-R9100 Dura-Ace Bottom Bracket Size:68 x 24mm Option 1: For hot-melt waxingDescription The Shimano Dura Ace threaded bottom bracket has an advanced seal construction for smoother rotation and small ball bearings to minimize weight. Features SHIMANO DURA ACE Bottom Bracket Threaded HOLLOWTECH II 68 70 mm shell width Specs SKU BB R9100 Series Dura Ace R9100 Series Average Weight 65g Type Hollowtech II threaded bottom bracket Shell Width 68mm