LONTEN CNC
Custom CNC machining 165/170/172.5/175mm Road Bike Crankset Crank arms double Chainring 50-34T/52-42T/53-39T For sram crankset
Custom CNC machining 165/170/172.5/175mm Road Bike Crankset Crank arms double Chainring 50-34T/52-42T/53-39T For sram crankset
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Machining Equipment:
3-5 axis cnc machining center / composite cnc machine / Machining Center / CNC Lathes / Grinding Machines / Milling Machines / Lathes / Wire-cuts / Laser Cuts / CNC Shearing Machines / CNC Bending Machines / etc.
Materials :
Aluminum Alloy:
5052 /6061/ 6063 / 2017 / 7075 / etc.
Brass Alloy:
3602 / 2604 / H59 / H62 / etc.
Stainless Steel Alloy:
303 / 304 / 316 / 412 / etc.
Steel Alloy:
Carbon Steel / Die Steel / Spring Steel etc.
And Other Special Materials
Surface Treatment:
Anodize, Chromate, Electrolytic Plating, Nickel Plating, Galvanize, Tempered, Paint, Powder Coating, Polish etc.,
Inspection:
three-coordinate measuring machine / Tool Microscope can measure up to 300mmX x 175mmY x 220mmZ
File Formats:
Solid Works,Pro/Engineer, AutoCAD(DXF,DWG), PDF,TIF , IGS , STP etc.
Product Description:
Brand: GOLDIX
Material: 7075 aluminum alloy
Model: GOLDIX-Road
Crank length: 165/170/172.5/175mm
Installation Type: GXP Direct Installation
Chain Ring: 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
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 ≈589g
170mm ≈606g
172.5mm ≈ 613g
175mm ≈621g
Bicycle chainring weight:
50-34T ≈180g
52-36T ≈186g
53-39T ≈203g
Bottom bracket: ≈95g
