Praxis - M30 T47 Bottom Brackets for Praxis Cranks Type_Roof Rack Vinyl pack to prevent abrasion

Vinyl pack to prevent abrasion against dirt

ASTM classification 4

dont worry it is only the oxidised rubber that creates black streaks

Available with 170/175mm crankarm and 32T chainring

This grippy

Praxis - M30 T47 Bottom Brackets for Praxis Cranks Type_Roof Rack Vinyl pack to prevent abrasionPRAXIS 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