Wheels Manufacturing Bottom Bracket (Black) (BB30) (24mm/Shimano Spindle) (ZERO Ceramic Hybrid Bearings)

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
• ZERØ 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
• Nylon/graphite retainer to further minimize friction

Specifications:
Frame Interface: BB30
Spindle Interface: 24mm (Shimano Hollowtech II, FSA MegaExo, FSA MegaExo Light, RaceFace EXI)
Bottom Bracket Shell ID: PF42
Shell Width: 68mm, 73mm
Material: Ceramic Bearings, Aluminum Shell
Color: Black
Weight: 127g