Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black 1.47 Flats 14m Thickness In mm 10mm

14m Thickness In mm 10mm Primary Color Black Bracket No

Perfect for home or shop use the PCS-4 features a leg stabilizing system that creates a rock-solid base to resist tipping

30mm Tubeless ready rim / 28H / XD Driver Syncros Axle w/Removable Lever with 6mm Allen

Fork crown mounting avoids handlebar clutter and provides a more detailed view of the road ahead

Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black 1.47 Flats 14m Thickness In mm 10mmEX 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 Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 73