Bike frame: ROCKBROS 700C Road bike frame, small fish scale welding
Front fork: ROCKBROS Aluminum alloy Road bike hard fork
Handlebar: ROCKBROS 31.8 Aluminum alloy flat handlebar
Front vertical pole: Aluminum alloy
Cushion: ROCKBROS road bike saddle
Seat pole: Aluminum alloy seat post
Shift handle: Shimano ALTUS M315
Rear derailleur: Shimano ALTUS M310
Freewheel: 8-speed 11-32T cassette
Brake: ROCKBROS Oil-hydraulic disc brake
Chainring: Prowheel  Aluminum crank  five-jaw 50/34T
Rim: Aluminum alloy double rims 29mm height
Hub: Aluminum alloy bearing quick release hub
Spoke：14G Medium carbon steel with copper cap
Crank: Aluminum alloy
Tire: INNOVA 700-32C Stab-proof F/V
Chain: 8-speed chain

Head set:  Aluminum alloy toothless hidden bearing head set
Bike weight: about 11.8kg

Frame size	700C*435(S)	700C*470(M)	700C*520(L)
suitable height	160-175CM	170-185CM	175-190CM
recommended weight	Within 100KG	Within 100KG	Within 100KG
body length	170cm	170cm	170cm
handlebar height	100cm	100cm	100cm
handlebar width	54cm	56cm	60cm
handlebar length	8cm	9cm	10cm

NOTE

Please remove the protective film from the bike frame after assembly to prevent potential paint damage from prolonged adhesion.