Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black MFPN=FW-2 Brake Track None Color Carbon

Brake Track None Color Carbon Defined Color Black Hub Drilling 32 ISO Diameter 622 / Road / 29" Manufacturer Spec ERD (mm) 593

Chrome nickel stainless steel with rolled threads

size 700c front/rear front/rear (HG 11sp road) rim Zeta alloy TLR hub Phantom Flange hole 20h/24h axle/spacing (mm) 9x100 QR/10x130 QR spoke DB nipple brass

750 Defined Color Black BB Style Mid

}Shimano XT RD-M8100 Rear Derailleur Tension and Guide Pulley Set

Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black MFPN=FW-2 Brake Track None Color CarbonPromax SC 1 Square Taper Chromoly JIS Bottom Bracket 108mm Black. SC 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 TECH SPECS Bottom Bracket Shell