EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black cassettes and freewheels Find new ways to enjoy

Find new ways to enjoy trekking and daily flat-handlebar riding with this reliable rear Shimano CUES RD-U6020 Shadow derailleur's seamless shifting and pedaling

you're able to simply layer these tights over your shorts for predictable comfort and added warmth

while breathable eyelets enhance ventilation to keep you cool

27mm internal rim width supports 42c -2

Tubeless-ready and disc brake compatible

EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black cassettes and freewheels Find new ways to enjoyEX 1 External bottom brackets feature cold forged and CNC machined alloy cups, dual labyrinth bearing covers and precision sealed bearings. They are the perfect match to Promax CF 2 and HF 2 cranks and ultimate upgrade to the budget BBs sold with most crank sets. Fits all 24 millimeter bottom bracket spindles and frames with 68 or 73 x BC1. 37 bottom bracket shells