BSD Substance Mid Bottom Bracket
Super tough BSD Substance bottom bracket kit including 2 Sealed bearings, CNC'd spacers, tube spacer, sprocket bolt and spacers, available for 19, 22 or 24mm spindles.
– Available in 19mm, 22mm and 24mm to fit most spindle types
– Precision sealed cartridge bearings
– Fully CNC’d 6061 aluminium spacers
– Spacer kit to ensure correct fit