The ultimate choice for mountain bike enthusiasts seeking precision and performance. These cranksets feature a range of crank lengths — 165mm, 170mm, and 172.5mm — all forged from high-grade Al7050-T6 alloy for maximum strength and durability.

The chainrings, available in sizes 28T, 30T, 32T, 34T, 36T, and 38T, are precision CNC-machined from Al7075-T6 alloy, ensuring smooth, reliable gear changes in all conditions. The BB29 forged Al7075-T6 axle provides secure, stable, and long-lasting performance, whether you're tackling steep climbs or ripping down technical descents.

With a Bolt Circle Diameter (BCD) of 41mm, the U4-713L-9D and U4-714L-9D cranksets offer compatibility with a wide range of chainring options, allowing you to customize your setup to match your riding style and terrain preferences.

Product Parameter

Crank:165/170/172.5mm (Forged Al7050-T6)

Chainring: 28T,30T,32T,34T,36T,38T(Al7075-T6 CNC)

Axle: BB29 Forged Al7075-T6

BCD: 41mm

Chain line:713L 49mm(6mm offset),714L 52mm(3mm offset)

Speed:1x12s/1x11s

Q-Factor:168mm

Weight:640g(175,36T)