Ultralight Road Bike Crankset Double Chainring 50-34T/52-36T/53-39T 165/170/175mm Length All CNC Cutting Bicycle Crank

Product Description:
Material: 7075 aluminum alloy
Model: JIANKUN-SL
Crank length: 165/170/175mm
Installation Type: GXP Direct Installation
Chain Ring: 46-30T 48-32T 50-34T 52-36T 53-39T
Axis diameter: 24mm
Axis material: 7075 aluminum alloy
Axis length: 120mm
Crank screw specification: m15
Surface treatment: Anode oxidation
Pedal: m14
Support speed: 7s-12s
Compatible: Shimano, SRAM, SENSAH, LTWOO, Microshift

Bottom bracket specifications: 
BB68 M68-73 (standard configuration),The applicable frame bottom bracket width of 68mm-73mm.
Thread specifications: BC1.37*24T, 34mm outer diameter, suitable for 24mm Axis
Feature:
1. 7075 aluminum alloy forging.
2. Compatible with 7-12 speed.
3. Axial chromium solvent steel, high intensity, high temperature resistance, preservatives, light weight.
4. Laser laser surface treatment, will not fade.
5. 3D forging process, one by one.

Product weight:
Bicycle crank weight: 
165mm ≈475g 
170mm ≈485g 
175mm ≈495g
Bicycle chainring weight: 

46-30T ≈174g

48-32T ≈177g
50-34T ≈176g 
52-36T ≈183g 
53-39T ≈188g
Bottom bracket: ≈95g
Note: Due to different production batches, there is a ±10g error in weight. Disputes due to this reason are not accepted.