Wheels Manufacturing Zero Ceramic Outboard Bottom Bracket (Black) (PF30) (68/73mm) ... - PF30-OUT-11
Wheels Manufacturing Zero Ceramic Outboard Bottom Bracket (Black) (PF30) (68/73mm) ... - PF30-OUT-11, Machined aluminum shell threads together for precise bearing alignment and frame fit, reducing bottom bracket creaking and premature bearing wear. Features: Replaceable Enduro bearings Made in the USA ZER Ceramic sealed bearings Oversized Grade 3 balls roll on races which are ground to a mirror finish after receiving Magnetite and then Cryogenic treatments for hardness and longevity Silicone VV-type 2-lip non-contact labyrinth seals for excellent bearing protection with minimum friction Long-lasting Rheolube synthetic grease helps prevent contamination Specifications: Frame Interface: PF30, Specialized OSBB Spindle Interface: SRAM/Truvativ GXP (24/22mm) Bottom Bracket Shell ID: PF46 Shell Width: 68mm, 73mm Material: Zero Ceramic Sealed Color: Black Weight: 153g