1. Uni wheel rim.
2. Shock absorption: preventing the rebound no matter in rugged, bumpy, or rough roads and making your riding comfortable.
1. Size: 26¡¨x1.5¡¨~2.35¡¨ (559x18).
2. Material: aluminum magnesium alloy.
3. Assembly: bearing.
4. Axle: front: m9x100x108 w/Q.R..
a. Rear: m10x130x140 6sp freewheel w/ Q.R..
b. M10x135x145 7sp freewheel w/ Q.R..
c. M10x135x145 8sp freewheel w/ Q.R..
5. Hub: 6 holes in front & rear hub for disk plate assembly
6. Color: powder coating red, yellow, blue, black, white / CNC.