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LONTEN CNC

Custom CNC machining Bicycle JIS Square Taper Extended Bottom Bracket Widened 177mm 155 142mm Extend BSA Threaded BB For Fat tyre Snow Sand Bike

Custom CNC machining Bicycle JIS Square Taper Extended Bottom Bracket Widened 177mm 155 142mm Extend BSA Threaded BB For Fat tyre Snow Sand Bike

Regular price £11.23 GBP
Regular price £30.46 GBP Sale price £11.23 GBP
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We are cnc machining factory welcome customize products.
 
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.

ZTTO Square Taper Extended Bottom Bracket Widened

Structure: 2 Sealed Bearings
weight:
about 348g(80x142mm) 420g(100x155/177mm)

80x142mm / 100x155mm / 100x177mm

Cups thread size and pitch: 34.798mm 1.37*24TPI
For 80/100mm Frame Shell
JIS standard, compatible with ISO Extended BSA Square Shaft Bottom Bracket

Sealed Bearings

water and dust resistance.

Steel Shell

The steel shell can absorb roundness tolerance for installing ports of Bracket Bottom.

Durable

The bottom bracket is solid and durable with a long service time.


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