Aluminum alloy and chrome molybdenum steel are selected for elaborate production, not easy to rust, firm and wear-resistant, and has long service life.
The use of lubrication, high efficiency, can effectively drive the chain, riding more labor-saving.
Lightweight design, less load, conducive to long-distance riding.
Hollow design, effectively reduce the weight, while nice heat dissipation.
A variety of crank center distance to choose from, users can choose to matching their own bicycle, repairings and replacement, improve the service life of the bicycle and driving safety.
Material: aluminum alloy+chromium molybdenum steel
Crank center distance: 170mm / 172.5mm / 175mm (optional)
Disc teeth: small disc: 22T, medium disc: 36T
Speed: support 9 / 10 / 11 speed
Item weight: 800g / 1.8lb
Package size: 250 * 100 * 50mm / 9.8 * 3.9 * 2.0in
Package weight: 902g / 2.0lb
1 * Crankset