Phil Wood Classic Square Taper Bottom Bracket 345-109

Phil's Classic bottom bracket uses their heat-treated stainless steel spindle. This bottom bracket is intended for applications demanding maximum durability and minimum flex. It is offered with their Standard PWX03 bearing. The bottom bracket is offered with a 68/73 aluminum shell. For those looking for a low drag bearing option they offer their PWN93 Carbonyte bearing upgrade (Special Order Only).

Their (Special Order) Pro bottom bracket uses their proprietary titanium spindle. This bottom bracket is intended for applications demanding light weight, minimum flex, and maximum durability. It is offered standard with their PWN93 low drag Carbonyte bearing.

SPECIFICATIONS

• Shell material:6061 Aluminum
• Spindle material:Stainless steel (heat-treated) (Classic), Titanium (Pro)
• Bearing availability:6903 (Standard), 6903 (Carbonyte)
• Classic bottom bracket weights:103 mm (196 grams), 104 mm (198 grams), 108 mm (208 grams), 111 mm (213 grams), 113 mm (215 grams), 116 mm (222 grams), 119 mm (226 grams), 123 mm (234 grams), 125 mm (237 grams), 127.5 mm (241 grams), 130 mm (247 grams), 135 mm (257 grams), 145 mm (269 grams)
• Pro bottom bracket weights:108 mm (140 grams), 111 mm (142 grams), 113 mm (145 grams), 116 mm (146 grams), 119 mm (149 grams)
• Rider and bike weight limit:280 lbs / 127 kgs (Classic), 190 lbs / 86 kgs (Pro)
• Materials:All of their manufactured items are machined out of US-produced materials.
• Cartridges come with standard offsets. Cups provide additional 5 mm of chain line adjustment
• Requires Phil cartridge cups & installation tool (sold separately)