Description:
Pigmy IASC BB system for20mm axles.
Retro compatible to most other similar sliding 20/19mm axle crank systems.
Installs easily with UN type tool.
Forms effective dirt and water internal shield.
Fully serviceable.
Forged Cr-Mo UN style steel BB cups.
Variable, sliding chainline.
4 replaceable industrial cartridge bearings.
IASC System optimised bearing adjustment.
Weight: 246g (inc. spacers).
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