DESCRIPTION
Option:
1, Crankset only
2, Crankset + BB: come with Prowheel original bottom bracket
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Item 1: Crankset
Brand: Prowheel
Series: Ounce
Color: Black
Crank arm material: Aluminum alloy AL-6061-T6
Max chainring material: Aluminum alloy
Min chainring material: Steel
Speed: 2×8/9 Speed
Chainring: 50-34T
Removable Chainring
P.C.D.: 110mm
Arm length: 170mm
Bottom bracket type: Hollowtech
Weight: approx 900g
Precise CNC Process Tech
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Item 2: Bottom bracket
Brand: Prowheel
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 spacer, but it don't need for 68mm shell generally