movimento centrale shimano dura ace bb r9100 shimano dura ace Cassette Sun Race MFM300 7

Cassette Sun Race MFM300 7 Speed / 13-34T

ARIAPRENE® and micro-elastane for increased ventilation and comfort

Durable steel cylinder

Medium capacity handlebar bag

Headset Integrated Sealed Bearing

movimento centrale shimano dura ace bb r9100 shimano dura ace Cassette Sun Race MFM300 7Shimano Dura Ace BB R9100 threaded bottom bracket cups, with small sized bearings and aluminum cups. Perfect bottom bracket cups to pair with the new Shimano Dura Ace R9100 crankset, compatible with all Shimano 24 mm spindle cranksets. FEATURES Threaded bottom bracket with small ball bearings for maximum lightness Advanced sealing structure for smoother rotation SPECIFICATIONS Use: Road Series: Dura Ace Cup type: Threaded (1. 370x24 BSA) Bottom