Model: 26M917
Speed: 21sp
Frame: Alloy T6061frame
Fork: Suspension fork
Rim: Alloy double wall rim 36H
Gear system: SHIMANO ST-EF51 /RD-TX35/ TZ21 freewheel
Chainwheel & crank:24/34/42T
Tyre: Diamond 26*1.95 tyre and tube
Brake: Alloy disc brake
Others: alloy stem;
 KMC chain; 31.8 thick handlebar;
 one-pc waterproof BB set