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Shimano SM-BB71-41A bottom bracket, 89.5/92 mm, Press Fit, Hollowtech II, mtb

18.90  RRP 29.99 
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4,6/5
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more than 200 customers
have already purchased this product

Press-Fit BB use 24 mm axle and bearings, because 24 mm diameter axle and
bearings offers the best balance of rotating performance, stiffness, strength, sealing, weight, for press-Fit type as well.

Product features

  • Use: MTB
  • Model: SM-BB71-41A
  • BB-Type: Press Fit (41x24mm)
  • Press-Fit BB shell width: 89.5/92mm
  • Shell diameter: 41mm

Compatibility

  • Saint FC-M820
  • XT FC-M780 / FC-M782 / FC-M785
  • XT Trekking FC-T780
  • SLX FC-M670 / FC-M672 / FC-M675 / FC-M677
  • ZEE FC-M640
  • Deore FC-M610 / FC-M612 / FC-M615 / FC-M622 / FC-M625

Material

  • Resin

Weight

  • 71g

Scope of delivery

  • Shimano Hollowtech II Press Fit Bottom Bracket SM-BB71-41A

HOLLOWTECH II Technology

The concept of HOLLOWTECH II technology is focused on producing a superior crankset which will maximize a rider’s power transfer. The rigidity of the crankset ensures pedaling efficiency while its weight, a key element of the crankset, you want light, aids in cycling longer distances over which the rider needs to pedal more. Naturally, SHIMANO strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank. HOLLOWTECH technology is an ultra-lightweight hollow crankarm created by SHIMANO with the company’s own proprietary forging technology that also maintains rigidity. The addition of HOLLOWTECH II technology integrates the bottom bracket axle with the right crankarm for more stiffness and a weight savings to achieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedaling stability, allowing for more efficient power transfer.

Product features

Compatible with SLX and XT cranks
Necessary to use the TL-BB12 press for mounting

Product details

Suitability MTB
Type of assembly BB86-89.5-92 Press Fit
Axis type for cranks HollowTech II (HTII) (⌀ - 24 mm)
Frame width 68 mm, 73 mm
The diameter of the center of the frame 41 mm
The width of the center of the frame 89.5/92 mm (BB92)
The diameter of the crank axis 24 mm
Mount type Press Fit
Material aluminium
product ID 3566

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Japanese manufacturer produces road, mountain, gravel, trekking, BMX and e-bike groupsets. They also offer a whole series of components and apparel. Their range goes from wheels, footwear, eyewear to backpacks. Shimano is a traditional manufacturer known for their quality work, which is why they are the favourite choice of amateurs and professionals.

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