Thread together BB for BB86, BB92 and PF90 frames and 24mm spindle Shimano cranks. Machined cups thread together for stability, increased bearing life, and simple installation and maintenance.
What truly sets this bottom bracket apart are the Enduro ZERO Ceramic sealed bearings that wont stop spinning while offering the pinnacle of bottom bracket bearing longevity.

• BB86/92 Thread Together ZERO Ceramic BB for 24mm spindle Shimano cranks
• Machined aluminum cups thread together so bottom bracket remains stable in frame
• Enduro ZERO Ceramic sealed bearings feature silicone VV-type 2-lip non-contact labyrinth seals for excellent bearing protection with minimum friction
• Oversized Grade 3 balls roll on races ground to mirror finish after receiving Magnetite/Cryogenic treatments for hardness and longevity
• Long-lasting Rheolube synthetic grease helps prevent contamination
• Tool Pattern: 48.5mm x 16 notch
• Made in USA