2021 TFSA complete road carbon fiber bike,  ultra-lightweight, only 7.5 kg , with 2 * 11 kit carbon fiber bike  Brand name: TFSA  Size: 48/51/54 / 56CM  Weight: Frame 1180g (+/- 20g)  Material: T1000-40T carbon fiber  Bottom five-way: BSA (φ34mm, L 68mm) Headset: 1 1/8" to 1 1/2" tapered integrated  Applicable wheels: 700C  Handlebar stem: 6° aluminum and carbon fiber stem  Wheel pair: Zilla hub aluminum wheel pair, front wheel 20H, rear wheel 24H, outer hole,  size 22inch, width: 23mm  Speed control system: SENSAH EMPIRE 2 * 11  Crank: BCD1100 34/50T  Chain: 11 hollow chain set  Brake: Super light aluminum alloy clamp  Brake cable core: Stainless steel galvanized brake core  Quick Release: 100*9mm front, 130*9mm  rear Includes: frame, fork, seat post, seat tube clamp, bowl set, wheelset, speed and brake control system  Package: Shock resistant packaging