DESCRIPTION
Option:
1, Crankset only
2, Crankset + BB: come with Jiankun original bottom bracket
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Item 1: Crankset
Brand: Jiankun
Series: STT
Color(Crank): Bright black
Color(Chainring): Matte black
Material: AL7075-T6
Axle: CrMo Steel
Speed: 2×11/12 Speed
Chainring: 50-34T
BCD: 110mm
Arm length: 170mm
Bottom bracket type: Hollowtech
Weight: approx 830g
Reinforced 4-arm construction
Precise CNC Process Tech
Super lightweight thanks to the hollow crank arm design and AL7075-T6 material
Delivers precise and reliable shifting
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Item 2: Bottom bracket
Brand: Jiankun
Type: Hollowthch
Material: Aluminum+ABS
Shell thread: BC1.37" x 24T
Shell width: 68mm
Sealed cups keep out dirt and water
Maintenance free, easy installation
Tips: come with spacers, but generally it don't need on 68mm shell
