Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black MFPN=05008900001 Stretch Proof heat treatment so

Stretch Proof heat treatment so the chain last longer and goes farther Links 112 Drivetrain Speeds Single Speed 1/2" x 1/8" Chain Connection Type Reusable Master Link Color Copper Half Link Chain No Defined Color Brown

Misc I-Spec EV HD4

Grade 3 Silicon Nitride balls

Abus SH B universal shackle lock holder for many ABUS U-locks that fits both square and round shackles

Waved shape helps to give greater stability in the saddle and better support to the ischial bones even for long periods of time

Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black MFPN=05008900001 Stretch Proof heat treatment soEX 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