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Our Classic bottom bracket spindles are made out of heat-treated stainless steel
The dust covers are made out of a high quality ABS plastic
SPECIFICATIONS Cup material Stainless Steel
Carbonyte Phil spec bearings are our low drag bearing option which have partial contact seals and have a 30% fill with our full synthetic Phil Carbonyte grease
is used to redirect the spoke end in a downward direction after it has been cut
Square Taper Bottom Brackets 103-145 mm (JIS Taper) iso disc Our Classic bottom bracket spindlesOur Classic bottom bracket uses our heat treated stainless steel spindle. This bottom bracket is intended for applications demanding maximum durability and minimum flex. It is offered with our Standard PWX03 bearing. The bottom bracket is offered with a 63 68, 68 73 and 100 mm aluminum shell. For those looking for a low drag bearing option we offer our PWN93 Carbonyte bearing upgrade. Our Pro bottom bracket uses our proprietary titanium spindle. This