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Shimano SLX M7100 groupset review

Shimano’s 12-speed SLX M7100 groupset first launched back in 2019 alongside its more expensive and higher-performing XT M8100 sibling, which I awarded 4.5 stars out of 5.

At the time, we were impressed with the amount of trickle-down technology coming from the brand’s top-level XTR M9100 mechanical groupset, particularly the jump up to 12 cogs thanks to the Micro Spline freehub cassette.

Shimano SLX M7100 groupset headline figures:

  • Total weight (including 165mm cranks with 32t chainring, rear derailleur, 116 link chain, 10-51t cassette and shifter): 1,864g
  • Total price (including 165mm cranks with 32t chainring, rear derailleur, 116 link chain, 10-51t
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