105 Xs
Component specification frame rockbros 700c carbon fiber frame front fork rockbros carbon fiber fork handlebar integrated carbon fiber aero handlebar stem integrated carbon fiber aero stem saddle ddk saddle seatpost carbon fiber seatpost shifters shuntai 2×12-speed shifters derailleurs shuntai 2×12-speed derailleurs cassette 12-speed 11 32t freewheel brakes shuntai hydraulic disc brakes with 160mm rotors crankset driving hollow crankset 170mm × 50 34t rims 700c carbon fiber rims, 40mm depth hubs aluminum alloy sealed bearing hubs spokes 14g high-carbon steel with brass nipples tires innova 700c × 28c f v tires weight 8.98 Kg m size ctr shuntai vs ctr shimano 105 shifting & braking system comparison feature ctr shuntai version 2×12 speed ctr shimano 105 version 2×12 speed shifters shuntai integrated hydraulic shifters with a slightly heavier, mechanical feel. Shifting travel is longer but crisp and reliable. Shimano 105 r7120 r7170 dual control levers with refined ergonomics. Smooth, light, and highly precise shifting response. Shifting mechanism traditional cable-actuated system, with minor delay between front and rear derailleurs. Advanced shimano mechanical or electronic system depending on setup for faster, more accurate gear changes. Brake type shuntai hydraulic disc brakes using mineral oil. Strong braking power but firmer lever feel. Shimano 105 hydraulic disc brakes with mineral oil. Smooth, linear braking power with excellent modulation and heat control. B...
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