Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black 630g 3 Professional Truing Stand

3 Professional Truing Stand

making it a top choice for competitive racing and group ride

High density EVA foam at ankle and Achilles

High quality chrome plated pliers/wrench in a single tool

Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black 630g 3 Professional Truing StandSC 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 246