1. Specifications: frame and fork: aluminium alloy, painted finished, inner decals handle bar: aluminium alloy stem: aluminium alloy grip: rubber, colorful head parts: 8pcs, cp chain: 94l chainguard: plastic saddle: plastic shell, color pvc cover seat post: steel, cp with aluminium quick-release b.b.axle: 5s, ed with 6pcs spare parts chainwheel: 40t, ed crank: 170mm, ed pedal: aluminium, ed axle with steel ball freewheel: 7 speed tire: natural rubber inner tube: butyl, av fr hub: aluminium, 36h rim: aluminium alloy, 36h spoke: #45 steel, 14g×36h, cp brake lever: black, aluminium brake cable: 2p, laser outer tube frontrear brake:disc-brake single stand: black, aluminium rear derailleur: 18 speed shifting lever: integrated aluminium 2. Features: durable easy to operate green product strong packing perfect appearance perfect pre-sales & after-sales service 3. Package: skd 85%, 1pccarton+woven bag 4. Additional information: shortest delivery time oem & odm are acceptable an iso9001:2008 approved factory owning right of imp. & exp., export directly any inspections are acceptable, such as, ciq, sgs, bv etc. Supplying any preferential certificate of origin(such as, form a, form e, form f etc.) we always stick to” the lowest profits & the longest co-operations”