//BOTTOM BRACKETS
BOTTOM BRACKETS 2017-12-08T11:18:52+00:00

BSA BOTTOM BRACKET

 

A-BB Innenlager

At the BSA Standard, the bottom bracket cups are inserted into the frame. The frame and the cups are equipped with a thread.

  • CNC – made in germany, high-strength 7075 aluminium

  • Stainless steel angular contact ball bearings, double sealed

  • R2 seal (rubber lip seal)

  • Dust protection cap

  • Compatibility: Shimano/Hollowtech II or GXP

  • Thread: 1,37″ x 24 tpi

  • Housing width: 68/73 mm (Road 678mm)

  • Weight: 103,5g

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PRESSFIT BOTTOM BRACKET

 

A-BB Pressfit Innenlager

At the pressfit standard, the bottom bracket cups are pressed into the frame and the bearings are pressed into the bearing cups.

  • CNC – made in germany, high-strength 7075 aluminium

  • Stainless steel angular contact ball bearings, double sealed

  • R2 seal (rubber lip seal)

  • Dust protection cap

  • Compatibility: Shimano/Hollowtech II or GXP

  • Housing Ø: 41 mm

  • Housing width: 86,5/89,5/92 mm

  • Weight: 90g

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REDUCER BOTTOM BRACKET

 

A-BB 30R Innenlager

The A-BB30R reduces a BB30 frame and enables you to use 24mm cranks. The bottom bracket cups are pressed into the frame.

  • CNC – made in germany, high-strength 7075 aluminium

  • Stainless steel angular contact ball bearings, double sealed

  • R2 seal (rubber lip seal)

  • Dust protection cap

  • Compatibility: Shimano/Hollowtech II or GXP

  • Housing width: 68/73 mm (Road 678mm)

  • Shell inside Ø: 42mm

  • Weight: 99g

TO THE SHOP

BB30 BOTTOM BRACKET

 

At the BB30 standard, the bottom cups are pressed into the bottom bracket shell. For all cranks with a BB30 axis. 

ACROS bottom brackets differ from bottom brackets of our competitors in some ways. On the one hand, the material of the ball-bearings is different; we only use stainless steel, which is more expensive to produce but excels in a significantly higher durability. On the other hand, ACROS has been focusing on the use of angular contact ball-bearings for years. These are able to absorb axial and radial forces, which for example act when pedalling out of the saddle, a lot better than ordinary grooved ball-bearings. The bearing grease completes a good industrial ball-bearing, which is why we have developed a special high-performance grease in cooperation with a leading lubrication company, adapted to the requirements of bicycles. Our grease ensures a stable lubrication even at low speed and under high pressure. On top, it is highly water-repellent and effectively prevents leaching. This is what quality means to us, and when we talk to our customers, we often get the feedback that ACROS bottom brackets exceed the lifespan of a competing product three to four times.

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