Threaded Bottom Bracket Waterproof Cup Set 68/73mm Bicycle Axis MTB Bike Crank Axis BB Cup

Threaded bottom shaft display

Threaded bottom shaft display

Threaded bottom bracket

68-73 five-way application

Anodizing

Aluminum alloy

Laser/CNC cutting

FIVE ADVANTAGES FOR YOUR ANALYSIS THE BEAUTY OF LIFE

Aluminum shell

High-strength 7075-T6 aluminum alloy shell is used and fully CNC

R is right , L is left

Reference for use of bottom bracket gasket

piral Axis

68MM (road car bottom bracket) add a washer on the right

68MM (mountain bike bottom bracket) add two washers on the right and add one on the left

73MM (mountain bike bottom bracket) with a washer on the right

Press-in bottom bracket

86.5MM (road car bottom bracket) without gasket

90MM (mountain bike bottom bracket) add a washer on the right

92MM (mountain bike bottom bracket) without gasket

Rigid and durable

The aluminum alloy shaft bushing makes the crank power transmission more direct, without plastic elasticity causing power loss and bearing damage, and has better rigidity.

Effective water resistance

Separate rubber washer, built-in spring, withstand the sliding gap, resulting in no gap action

Prevent dust and moisture from entering the forest, with good water resistance

Lubrication without resistance

Separate rubber washer, with double-side sliding feature, will not increase resistance to the rotating bearing, high lubricity

Strong groove sealing

We adopt a newly designed end cover and use groove sealing technology to greatly improve drainage and sealing

At the same time reduce sealing resistance

More high-end appearance

Note: Due to different measurement methods, there will be slight errors in the data, please understand

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