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Ensuring optimal power transfer
handmade in Italy no less
the ventilation system has been redesigned to introduce Kratercooler technology
The ULTEGRA CS-R8101 cassette is the ultimate in shifting for road cycling
ALPINESTARS has thought to integrate flat seams for greater comfort and a true second-skin feel
Roulement de Direction BLACK BEARING B4 30.15x39x6.5mm 45/45° 1-1/8" Lot Ensuring optimal power transferThe BLACK BEARING 1 1 8" 45 45 headset bearing (30. 15 x 39 x 6. 5 mm) is a replacement model of equivalent quality to the models originally fitted most of the time on your bike. This bearing consists of angular contact chrome steel balls, a cage also made of chrome steel, and specific seals for headsets.
