Shimano SM-BB71-41A Press-fit Hollowtech II MTB
Close-up of the sleeve and cup of the Shimano SM-BB71-41A bottom bracket.
Close-up of the bearing cup marked SM-BB71-41A on the Shimano press-fit bottom bracket.
Close-up of the cup and spacer on the Shimano SM-BB71-41A press-fit bottom bracket.
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Shimano SM-BB71-41A Press-fit Hollowtech II MTB

SKU: LTG-HLL-2-BSA-1-1-1-1
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€29.99

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Description

The Shimano BB71A (model SM-BB71-41A) is a press-fit bottom bracket designed primarily for mountain bike (MTB) use.

Key Features:

  • Type: PressFit BB92

  • Shell Diameter: 41 mm

  • Shell Width: 89.5 or 92 mm

  • Axle Diameter: 24 mm (Hollowtech II)

  • Material: Synthetic resin cups and centre tube, steel bearings

  • Weight: Approximately 71 grams

 

Compatibility:

  • Recommended for Shimano MTB cranksets including Saint (FC-M820), XT (FC-M780 series), SLX (FC-M670 series), ZEE (FC-M640), and Deore (FC-M610 series)

  • Sealed bearings for smooth rotation and durability

  • Designed for cross-country, all-mountain, downhill, and enduro riding

 

Technology:

  • Uses Shimano’s Hollowtech II system integrating the bottom bracket axle with the crank arm for increased stiffness and reduced weight.

  • Outboard bearing system improves pedaling stability and power transfer efficiency.

Additional information

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