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ShimanoSLX SM-CRM75 Direct-Mount Chainring


Item # SHIU192

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  • Black, 30T ($33.99)
  • Black, 32T ($33.99)
  • Black, 34T ($33.99)
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Item # SHIU192

SLX SM-CRM75 Direct-Mount Chainring

Shimano's revision to its mountain drivetrain extends to its new SLX 12speed series. This Direct-Mount Chainring allows you to customize your gearing to best suit the terrain wherever you ride. The durable aluminum chainring utilizes Shimano's Dynamic Chain Engagement to ensure the chain stays firmly on the ring, meaning smoother shifting and all but eliminating dropped chains.
  • A replacement chainring for Shimano SLX 12speed
  • Multiple size options to customize for your upcoming ride or event
  • Direct-mount interface makes swaps simple
  • Aluminum alloy enhances durability over the long haul

Tech Specs
Number of Rings1
Teeth30, 32, 34
Bolt Circle Diameterdirect-mount
Compatible ComponentsShimano 12-speed drivetrains
Recommended Usemountain biking
Manufacturer Warranty2 years

Actual Weight

Black, 30T
Black, 32T
Black, 34T

Actual weights are measured in-house by the Competitive Cyclist team.

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What do you think about this product?


>Rating: 2

special tool required, heavy

I've used it once or twice and have initial impressions
True to size

You need a special tool to install this on the crank arm, either Park Tool LRT-4 - Shimano Direct Mount Lockring Tool or Shimano TL-FC41 DM Chainring Installation Tool. Neither of which is common enough for any local bike shop to stock. This should be called out in the description. The manuals for this ring cover bottom bracket installation and crank-to-bike installation, but say nothing about installing the chainring on the crank arm. This is actually the 3rd "special" tool needed to install new BB-MT800 bottom bracket, FC-M7120 SLX crankset, and this chainring. First you need a special bottom bracket tool which used to be included with the BB-MT800 bb but either isn't anymore or I got a bb with missing pieces. Then you need the tool I mentioned above. And finally you need another small plastic tool to install/remove the cap on the non-drive side. Shimano should be ashamed of themselves, there are plenty of other crankset manufacturers that only require one special tool, rather than 3. This is likely the last shimano crankset I'll ever install. It's also heavy. It's weird that it is a 2-piece chainring where virtually every other manufacturer just uses a single piece. The chainring itself feels really heavy compared to every other one (from other brands) I've ever installed. The weight feels like it's the center piece rather than the ring.

Hi Brian, Sorry to hear your frustration with the Shimano chainring. Feel free to chat in, or call next time. We can look into some tool requirements with you. Our experts are here to help, call us and we will take care of you.1-888-276-7130