SHIMANO Movimento centrale BB-R9100 HOLLOWTECH II

Featuring an advanced sealing structure for smoother rotation and small ball bearings to minimize weight, the SHIMANO DURA-ACE bottom bracket is available in Press-fit and threaded versions.

SHIMANO Movimento centrale BB-R9100 HOLLOWTECH II main features:

• Advanced sealing structure for smooth rotation
• Small ball bearings to minimize weight
• Available in Press-fit and threaded versions