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presented here in 29" Boost format — as solid as it is lightweight for riding anywhere
60 section is ideal for rear fitment as part of an Enduro and E-Bike
specific to 1x drivetrains
it has all the necessary safety certifications
en fonction de votre pratique
Groupe SHIMANO ULTEGRA Di2 R8170 2x12V SOFT-impermeable presented here in 29" BoostThe SHIMANO Ultegra Di2 R8170 2x12 speed groupset revolutionises gear shifting for road cyclists, guaranteeing smooth and effortless performance. Thanks to Di2 technology, every gear change is instant and precise, even in the most demanding conditions. The compact and ergonomic gear lever allows optimal control in all circumstances, offering increased comfort and perfect mastery, regardless of riding position. The system offers a considerable
