E.T.R.T.O.: 62-203 Size: 12 1/2`` x 2 1/4`` Axle: 17 mm Valve: F.V. / A.V. Assembly: Bearings Material: Special Aluminum alloy Color: Silver, Black, CP, Red, Blue, Yellow

Size: 12`` x 1.75`` Axle: 3/8 x 100 (front) 3/8 x 112 (rear) Valve: F.V. / A.V. Assembly: Bearings Material: Special Aluminum alloy Color: Silver, Black, CP, Red, Blue, Yellow

A.Shock absorption makes you more comfortable when sitting on the wheelchair and reduces the vibration when moving. B.To make the wheel running more easily and labor saving, we use the theory of

A.Shock absorption makes you more comfortable when sitting on the wheelchair and reduces the vibration when moving. B.To make the wheel running more easily and labor saving, we use the theory of

A.Shock absorption makes you more comfortable when sitting on the wheelchair and reduces the vibration when moving. B.To make the wheel running more easily and labor saving, we use the theory of

A.Shock absorption makes you more comfortable when sitting on the wheelchair and reduces the vibration when moving. B.To make the wheel running more easily and labor saving, we use the theory of

A.Shock absorption makes you more comfortable when sitting on the wheelchair and reduces the vibration when moving. B.To make the wheel running more easily and labor saving, we use the theory of

A.Shock absorption makes you more comfortable when sitting on the wheelchair and reduces the vibration when moving. B.To make the wheel running more easily and labor saving, we use the theory of

SHOCK ABSORPTION: Preventing the rebound no matter in rugged, bumpy, or rough roads and making your riding comfortable. LOW WIND RESISTANCE: Traditional bicycle rim always bring some uncertain volum