ZTTO Double Chainwheel Road Bike Crank Bicycle Crankset 170mm Arm DUB Spindle Bottom Bracket 2*10 11 12 Speed Chainring System

Description

ZTTO Road Bike Crank PR2

Crank Material – Foeged Alloy
Crank Length – 170mm
Chainring Material – Alloy
Chainring – 34-50T, 36-52T
B.C.D – Direct Mount
Q-Factor – 151mm
Chainline – 43.5mm
Spindle – Ø29mm Alloy Spindle

Weight: About 730g Not included BB
Bottom Bracket Feature

We offer a variety of type of bottom bracket for you to choose from. Please choose the right bottom bracket according to the type of your bike frame.
BSA
For 68mm/73mm φ34.798mm Frame Shell
BB86/BB92
For BB 86/90/92mm 41mm Frame Shell
BB30
For BB30 68/73mm 42mm Frame Shell
PF30
For PF30 68/73mm φ46mm Frame Shell
BB386
For BB386 86.5mm φ46mm Frame Shell
T47

For φ46mm Frame Shell
T47 X type for 68/73mm , I type for 86/92mm
Double Chainwheel System

34-50T and 36-52T version can be choose.

Chainwheel use high strength aluminum alloy material, fit for 10 11 12 speed bike.
Direct Mount

It's use 3 Bolt standard chainring Direct Mount structure. It is very easy to replace chain ring and compatible with most chainring. You can simply change it. Experience the latest technology at a low price.
DUB 29mm Alloy Spindle

29mm shift has greatly improved performance while maintaining good compatibility
Ultralight Weight