Promax SC-1 Square Taper Chromo JIS Bottom Bracket 113mm Black MFPN=6463182 The valve core can be

The valve core can be removed to add tire sealant

Misc Trunnion 57

Heat-treated tool steel construction for strength and durability

Bag Attachment Secure Strap Bag Dimensions in cm 30x15x15 Bag Material Deniers Polyethylene/Nylon Compartments 2 Light Loop Reflective stripes Color Black and silver Primary Color Black Volume 6

Weight: 7mm • 52g  |  15mm • 59g  |  25mm • 66g

Promax SC-1 Square Taper Chromo JIS Bottom Bracket 113mm Black MFPN=6463182 The valve core can beSC 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