Shimano R9100 Dura-Ace ITA Bottom Bracket

Shimano R9100 Dura-Ace ITA Bottom Bracket

The Shimano Dura-Ace R9100 ITA bottom bracket is engineered for elite road cycling performance. Designed specifically for the Dura-Ace Hollowtech II crankset FC-R9100, it delivers outstanding power transfer and ultra-smooth rotation.

Featuring an Italian threaded interface (ITA M36 x 24T), this bottom bracket fits frames with a 70 mm threaded BB shell. Advanced sealing technology protects the bearings from moisture and contamination, reducing friction and extending service life.

Its lightweight and precisely machined construction ensures low rolling resistance and maximum drivetrain efficiency, meeting the demands of professional and high-performance road riders.

• Use: Road
• Group: Dura-Ace
• Model: BB-R9100
• BB-Type: HOLLOWTECH II
• Thread: ITA (M36)
• Shell width: 70 mm
• Compatibility: Dura-Ace FC-R9100
• Weight: 65 g