Shimano XTR BB93 Hollowtech II English Bottom Bracket

Shimano XTR BB93 Hollowtech II English Bottom Bracket

Original Shimano parts guarantees that all components work perfectly for optimum performance and maximum safety and longevity.

KEY FEATURES: 

• Lighter weight than current XTR
• -19.3g (Thread type)
• Better sealing performance than current or Road DuraAce
• Smoother rotation than current Dura-Ace is more smoother though
• Durable enough for mountain bike usage