Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black 5mn allen key to secure

5mn allen key to secure cable on right arm

Q-Factor: 167

Stow your moto gear and other goods with the dignity they deserve — and do it with the FLY Racing luggage line

race proven BMX brake balancing strength

Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black 5mn allen key to secureEX 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