Shimano DuraAce Innenlager SM-BBR9100 Hollowtech II Schwarz Nahfeldausleuchtung

Nahfeldausleuchtung

With TNT technology (Tube - NoTube)

but these are not the only innovations

Weight: 228g

The 100mm wide rims have a double wave profile

Shimano DuraAce Innenlager SM-BBR9100 Hollowtech II Schwarz NahfeldausleuchtungShimano Dura Ace bottom bracket SM BBR9100 Hollowtech II black DuraAce bottom bracket shells SM BB R9100 for all cranksets with a 24mm Hollowtech II axle. Suitable for frames with BSA thread (68mm). The new bottom bracket has smaller bearing shells, which require an adapter for attachment (TL FC24) included in the scope of delivery. Improved seals provide 50% less resistance. Aluminum bearing cups Bearings positioned outside for better weight