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)
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