Promax SC-1 Square Taper Chromo JIS Bottom Bracket 113mm Black MFPN=DROPOUT-556 and backed by Kuats renowned

and backed by Kuats renowned No Worries Limited Warranty

5 finger lever

Integrated air seal

Innovative High Beam/Low Beam patterns

Promax SC-1 Square Taper Chromo JIS Bottom Bracket 113mm Black MFPN=DROPOUT-556 and backed by Kuats renownedSC 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