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PR1-A1

PR1-A1

PR1 Precision Crank

This bicycle crank is made of high-quality aluminum alloy, providing durability and lightweight performance. The various options for crank length allow riders to choose the most suitable length for themselves.

The chainring is crafted from reinforced aluminum, ensuring excellent performance even after prolonged use, and the 50/34T gear ratio accommodates various riding conditions. With a B.C.D of 110mm, it can be applied to a variety of setups, while the Q-factor and chainline contribute to efficient riding.

Moreover, its compatibility with various types of bottom brackets allows it to be fitted to a wide range of bicycle frames.

The black sand anodizing finish enhances both durability and aesthetics, while the total weight, excluding the bottom bracket, is 885g. This product combines outstanding performance and style, contributing to an enhanced riding experience.

Specs

Compatibility
12S / 11S
Crank Material
Forged AL-6061-T6
Crank Length
165mm,170mm,172.5mm,175mm
Chainring Material
Alloy
Chainring
50/34T
B.C.D
110mm
Q-Factor
151mm
Chainline
44.5mm
BB Spindle
Ø29mm高强度铝轴. High Strength Alloy Axle
BB Compatibility
BB-BSA29R/PF30-29R/BB30-29R/BB86-29R / BB386-29R/T47-68-29R/T47-77A-29R/T47-85.5-29R
Finish-Crank
Black Sand Ano
Finish-Chainring
Black Sand Ano
Weight
885g 不含BB

Rider Style

Road

100%

All Mountain

1%

Gravel

1%

Folding

1%

E-Bike

1%

Support

Crank Q Factors and Chain

Cinch System Installation