Shimano Ultegra R8000 Groupset
with crankset
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Crankset: FC-R8000 HOLLOWTECH II
(50-34T 52-36T 53-39T 165mm 170mm 172.5mm 175mm）
Cassette: CS-R800
(11-25T 11-28T 11-30T 11-32T 11-34T)
Rear Derailleur: RD-R8000
SS - Short Cage (12-25T 11-28T 11-30T), GS - Long Cage (11-32T 11-34T)
Front Derailleur: FD-R8000 - Brazed-on mount
Chain: CN-HG701
Bottom Bracket: SM-BBR60 (68/70 mm shell width, threaded)