Promax SC-1 Square Taper Chromo JIS Bottom Bracket 113mm Black MFPN=6463182 The most complete and versatile

The most complete and versatile tire in its range now with TLR technology

Shifter Compatibility SRAM 12 sp

The valve core can be removed to add tire sealant

Misc Trunnion 57

}Industry Nine Hydra Classic Rear Hub - 12 x 148mm 6-Bolt Micro Spline Purple 32H

Promax SC-1 Square Taper Chromo JIS Bottom Bracket 113mm Black MFPN=6463182 The most complete and versatileSC 1 bottom brackets are the perfect choice for those who still prefer the low weight and simplicity of square taper cranks. Each bottom bracket is hand assembled using a hollow chromoly spindle precision sealed bearings forged and CNC machined alloy cups and a composite center spacer seal. Hollow chromoly spindle CNC machined alloy cups JIS square taper Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Weight 253