Square Taper Bottom Brackets 103-145 mm (JIS Taper) iso disc HUB DIMENSIONS Axle length 100

HUB DIMENSIONS Axle length 100 mm Left side flange diameter 66 mm Right side flange diameter 66 mm Left side flange to center 33

SPECIFICATIONS Crank Arm Material 7075 Aluminum Chainring Material 7075 Aluminum Crank Arm Length Availability 165 mm and 170 mm Chainring Availability 46

is used to redirect the spoke end in a downward direction after it has been cut

68 mm Bearing availability R8 (Carbonyte) Rear hub weight 263 grams Rider and bike weight limit 190 lbs / 86 kgs Materials  All of our manufactured items are machined out of US-produced materials

Our Classic bottom bracket spindles are made out of heat-treated stainless steel

Square Taper Bottom Brackets 103-145 mm (JIS Taper) iso disc HUB DIMENSIONS Axle length 100Our 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