Praxis - M30 T47 Bottom Brackets for Praxis Cranks Specialized Frames Independent negative spring

Independent negative spring

FOAM AND OIL SEALS

PARK TOOL - HMR-4 - SHOP HAMMER

so the bicycle is always in the most ergonomic position to work on

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Praxis - M30 T47 Bottom Brackets for Praxis Cranks Specialized Frames Independent negative springPRAXIS M30 T47 BOTTOM BRACKETS FOR PRAXIS CRANKS 30MM DRIVE BEARING 28MM NON DRIVE BEARING The M30 bottom bracket family is for the Praxis M30 spindle based cranks. The M30 spindles are 30mm and then have a step down to 28mm to lock on the Non Drive bearing. These use a drive side wave washer for the bearing preload, and a 30MM Drive bearing with a step down to 28MM Non Drive bearing. The Zayante, Alba, Girder and Cadet all use the Praxis M30 bottom