As is known from Shimano, the crankset is made of aluminum, and it is hollow inside, to reduce the weight as much as possible. Even though it's hollow, Shimano has still managed to make an extremely stiff crankset so you don't compromise on the power transfer to the pedals. The cranksetÂuses a 24mm shaft. The design of the blades has been changed so that they are only mounted directly on the pedal arm, and no longer on a spider. It provides a more rigid construction and also saves on weight. With Shimano's blades, you don't have to think about whether you have a standard, boost, or super boost frame. It handles all frames with one system. The left pedal arm included Chainring is not included.
As is known from Shimano, the crankset is made of aluminum, and it is hollow inside, to reduce the weight as much as possible. Even though it's hollow, Shimano has still managed to make an extremely stiff crankset so you don't compromise on the power transfer to the pedals. The cranksetÂuses a 24mm shaft. The design of the blades has been changed so that they are only mounted directly on the pedal arm, and no longer on a spider. It provides a more rigid construction and also saves on weight. With Shimano's blades, you don't have to think about whether you have a standard, boost, or super boost frame. It handles all frames with one system. The left pedal arm included Chainring is not included.
As is known from Shimano, the crankset is made of aluminum, and it is hollow inside, to reduce the weight as much as possible. Even though it's hollow, Shimano has still managed to make an extremely stiff crankset so you don't compromise on the power transfer to the pedals. The cranksetÂuses a 24mm shaft. The design of the blades has been changed so that they are only mounted directly on the pedal arm, and no longer on a spider. It provides a more rigid construction and also saves on weight. With Shimano's blades, you don't have to think about whether you have a standard, boost, or super boost frame. It handles all frames with one system. The left pedal arm included Chainring is not included.
As is known from Shimano, the crankset is made of aluminum, and it is hollow inside, to reduce the weight as much as possible. Even though it's hollow, Shimano has still managed to make an extremely stiff crankset so you don't compromise on the power transfer to the pedals. The cranksetÂuses a 24mm shaft. The design of the blades has been changed so that they are only mounted directly on the pedal arm, and no longer on a spider. It provides a more rigid construction and also saves on weight. With Shimano's blades, you don't have to think about whether you have a standard, boost, or super boost frame. It handles all frames with one system. The left pedal arm included Chainring is not included.
Last updated at 03/11/2026 06:21:27
SHIMANO - FC-M8100-1 Crankset 12s Black 180mm 12s
Delivery $50
originally posted on lazada.sg
Packaged arrive well without issues. No dents and scratches. It fits perfectly in my avalanche mtb. Im having more fun pedaling it compared to my old trusted deore. It saved my around 200 grams. This is definitely a good buy.
originally posted on jensonusa.com
On a recent build with a 148 rear hub spacing, it was important to have the right chain line. These cranks made that happen. With so many numbers to keep track of, it is easy to overlook things. Like all shimano products installation was straight forward.
originally posted on jensonusa.com
These cranks look good and feel good for less $ than XTR. Running mine with a Wolf Tooth chainring and a Wheels Manufacturing BB, pretty stoked on the result. Solid and smooth feel with an easy install.
| Variant | |
| size | 180mm |
SHIMANO - FC-M8100-1 Crankset 12s Black 180mm 12s
Delivery $50
Packaged arrive well without issues. No dents and scratches. It fits perfectly in my avalanche mtb. Im having more fun pedaling it compared to my old trusted deore. It saved my around 200 grams. This is definitely a good buy.
On a recent build with a 148 rear hub spacing, it was important to have the right chain line. These cranks made that happen. With so many numbers to keep track of, it is easy to overlook things. Like all shimano products installation was straight forward.
These cranks look good and feel good for less $ than XTR. Running mine with a Wolf Tooth chainring and a Wheels Manufacturing BB, pretty stoked on the result. Solid and smooth feel with an easy install.
Been riding the Ibis Ripmo AF (SLX with 175mm cranks) for a bit now and even with sag set up nice and tight, I was still getting pedal strikes on some pretty standard and known trail sections. With the XT 165mm upgrade and new XT BB feels like my old bike with predictable clearance and no noticeable pedal stroke dynamic changes. Solid design, weight savings and ease of install. Did have to buy the Shimano pretensioner tool and the chain ring tool as well. But those were available for less than $20 for both. Overall very happy with the new set up!
Carbon cranks have always left me a little weary. I’ve had several friends break them. For this reason, I use the Shimano XT 8100 cranks. They are reasonably light for an alloy crank. The interface to install them is incredibly easy. I feel there is not enough of a weight savings to spend the money on XTR.
A set it and forget it crankset. Takes a beating and keeps on spinning. I've had XX1 carbon cranks and the XT is just more durable. Manufacturers are trying to convince the public that 30mm spindles are needed - they are not. Shimano 24mm is plenty stiff, even for a 200lbs rider pushing high torque (singlespeed application). 24mm also accommodates eccentric bottom brackets like Wheels Manufacturing and Niner Biocentric 30. Any easy pick and great value.
Shimano cranksets are by far the simplest to work on with the slight issue of needing a special tool (TL-FC41) to fit the chainring. This tool does fit hollowtech bottom brackets as well as compensation. Went for the on trend shorter 165mm cranks, time will only tell how get on with this. The only downside it the price compared to the SLX cranks, if only these did not have SLX printed largest size possible on them. So if you want a simple to use, understated and quality set of cranks then these are a god choice. Just make sure you torque up the bolts.
I love them, they look really slick on my bike. They have held up great so far blasting down rock gardens too.One thing I don't like is the protective film sticker that comes on the arms. Within an hour of the first ride it started peeling, and they don't come off clean. Took some rubbing alcohol to completely remove it. No big deal though.
It's XT. The hollow tech II construction is nice and light. If you've never tried a light crankset, you owe it to yourself to do so. These are roughly half a pound lighter than Shimano's current Deore cranks and you can tell it when you spin them.
| Variant | |
| size | 180mm |
