Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black MFPN=8030819239713 }SRAM Rival 22 Rear Derailleur

}SRAM Rival 22 Rear Derailleur - 11 Speed Short Cage Black/Silver

Requires DT Swiss 3-pawl and Star Ratchet tools for installation ( J&B #69670 / #610635)

Vendor Topeak Manufacture Number TT9648B2 Model Name MTX 2

RockShox Sektor DebonAir Assemblies for serivce and repair

Durable rubber bike cradles with integrated anti-sway stabilizers

Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black MFPN=8030819239713 }SRAM Rival 22 Rear DerailleurSC 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