Polygon

Detail of the bike. 1. Replace wheelset with loud hub 2. KMC gold chain with half hollow 3. Crank reduce to shimano 4. Rotor rplace to red colour with good brand 5. Carbon handle bar 6. Carbon seat post 7. Seat post clamp 8.ring bell 9. Pedal gub type If you buy the bike free bicycle holding rack. Come down test and you will know. Bike shifting really smooth. Those who want to started in riding bike can try this. m.size 27.5”. Tyre i replace new one. Good One. Vittoria 27.5 x 1.75. More comfort when cycling in PCN I don’t mind exchange triflod bike, pikes or 3sixty 6 speed