The Comet is built around a confidence inspiring 6061 heat treated aluminium frame and a chromoly fork to give you a stable and comfortable ride. It has been finished with a single chainring up front to keep maintenance low and a high-quality Shimano 7 speed 11-32 cassette to still offer a gear range that will allow you to take on any terrain. stopping is taken care of by Promax V-Brakes front and rear to make the Comet a fantastic all-round urban bike.to make the Comet a fantastic all-round urban bike. Frame 6061 heat treated aluminium Rear Shock N/A Fork Hi ten Chromoly / mudguard eyelets 1-1/8" Headset Neco H-148-MP 1-1/8" Shifters Shimano Tourney SL-RS35-7R RevoShift 7 speed Rear Derailleur Shimano Tourney RD-TY300 Front Derailleur N/A Chainset Prowheel A105P(3) / 40T / 170mm Bottom Bracket CH CH52 sealed bearing 68-118mm Chain KMC Z7 Cassette / Freewheel Shimano CS-HG200-7 / 12-32T Rims Shining A6N / 36h Hubs KT A16F/AY1R / 36h / front / rear Spokes Steel 14g Tyres Vee tire Zilent 700x42c Brakes Promax TX-117 V-Brakes Brake levers Promax BL-39G Handlebars Ridgeback alloy / 20mm rise x 6deg backsweep / 31.8mm barbore / 15in/19in = 640MM, 21in/25in = 660MM Stem Ridgeback +7deg / 70mm Saddle Ridgeback custom / high density fill / steel rail Seatpost Alloy / 27.2x350mm Pedals Resin metro