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20017452
Shimano XT BB-MT800 Hollowtech II Bottom Bracket
Shimano XT Hollowtech II BB-MT800 bottom bracket for FC-M8100/8000 and SLX FC-M7100/7000 cranksets.

The all-new DEORE XT FC-M8000 cranks turn on an updated HOLLOWTECH II press fit (BB-MT800-PA) or threaded (MT800) bottom bracket. Using smaller, lighter bearings and a seal system proven on both XTR and road groups, the new bottom bracket reduces weight and bearing drag while improving mud durability. In short, less weight and increased rotational efficiency results in a faster DEORE XT ride.


Product features - Shimano BB-MT800

  • Use: MTB 
  • Model: BB-MT800
  • BB-Type: HOLLOWTECH II
  • Threaded: BSA
  • Threaded BB shell width: 68/73mm
  • Shell diameter: BSA (BC 1.37)

Compatibility

  • XT FC-M8100 / FC-M8120 / FC-M8130 / FC-M8000 / FC-T8000
  • SLX FC-M7100 / FC-M7120 / FC-M7130 / FC-M7000
  • FC-MT700
  • FC-MT610
  • FC-MT600

Material

  • Aluminum

Weight

  • 82g

Scope of delivery

  • 1 x Shimano XT Hollowtech II Bottom Bracket BB-MT800
  • 3 x Spacer 2.5mm

Technology

HOLLOWTECH II
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.

IBBMT800B
4524667919957
689228919952
Shimano XT BB-MT800 Hollowtech II Bottom Bracket
Shimano XT Hollowtech II BB-MT800 bottom bracket for FC-M8100/8000 and SLX FC-M7100/7000 cranksets.

The all-new DEORE XT FC-M8000 cranks turn on an updated HOLLOWTECH II press fit (BB-MT800-PA) or threaded (MT800) bottom bracket. Using smaller, lighter bearings and a seal system proven on both XTR and road groups, the new bottom bracket reduces weight and bearing drag while improving mud durability. In short, less weight and increased rotational efficiency results in a faster DEORE XT ride.


Product features - Shimano BB-MT800

  • Use: MTB 
  • Model: BB-MT800
  • BB-Type: HOLLOWTECH II
  • Threaded: BSA
  • Threaded BB shell width: 68/73mm
  • Shell diameter: BSA (BC 1.37)

Compatibility

  • XT FC-M8100 / FC-M8120 / FC-M8130 / FC-M8000 / FC-T8000
  • SLX FC-M7100 / FC-M7120 / FC-M7130 / FC-M7000
  • FC-MT700
  • FC-MT610
  • FC-MT600

Material

  • Aluminum

Weight

  • 82g

Scope of delivery

  • 1 x Shimano XT Hollowtech II Bottom Bracket BB-MT800
  • 3 x Spacer 2.5mm

Technology

HOLLOWTECH II
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.

IBBMT800B
4524667919957
689228919952
Evaluations
(16) rate now
    5 Stars 15 (15)
    4 Stars 1 (1)
    3 Stars _ (0)
    2 Stars _ (0)
    1 Stars _ (0)

Super

Sehr gute Verarbeitung, top Optik

good BB. but bearing sealant could be more water resistant.

Super

Sehr gute Verarbeitung, top Optik

good BB. but bearing sealant could be more water resistant.

Nice and quit , I would recommend buying here

Gutes Innenlager. Sofort den positiven Unterschied gespürt.

Very good and quality components for bike

Excellent

better than SLX resist to moisture and dirt comes inside the device. Лучше чем слх держит грязь и воду от покатушек. мыть керхером тоже нельзя - заржавеет, но позже чем слх

Fits and works well

Super Teil. Einbau war ohne Probleme; paßt genau. Vielen Dank auch für die Beratung per Mail. Ohne hätte ich mit Sicherheit das falsche Teil bestellt.

Na XT halt, Top Verarbeitung und top Funktion!

Easy to install and reliable to use.

Prima! Immer wieder!

Nach mehreren Innenlagern das Beste was ich bis jetzt hatte. Habe es 2 1/2 Jahre in Gebrauch und es läuft immer noch super.

Super

Very easy to install (after you find the correct hollotech2 wrench) and rolls very smootly. Very light weight.

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