Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black MFPN=405CA0805010B31190 Drive-side access non-drive side slash

Drive-side access non-drive side slash pocket

Make cycling an essential part of your fitness lifestyle with the Shimano CUES RD-U4020 Shadow 2x9-speed rear derailleur

Stamp pedals are optimized for different shoe sizes by providing both Large and Small

Color Silver Defined Color Silver Brake Lever Use Pair Cable Head Type Mountain Brake Lever Actuation Long Pull

Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black MFPN=405CA0805010B31190 Drive-side access non-drive side slashPromax EX 1 Alloy external Sealed Bottom Bracket 68 73mm Black. EX 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 TECH SPECS Bottom