– Precision sealed cartridge bearings
– CNC machined spacers
– Spacer kit to ensure correct fit
– Hollow CrMo crank arm bolt
– 19mm or 22mm versions
Spec
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Weight:
19mm – 160g
22mm – 142g
Substance XL mid BB
– XL version to fit 24mm crank spindles
– Precision sealed cartridge bearings
– Fully CNC’d 6061 aluminium spacers
– Spacer kit to ensure correct fit