The Shimano GRX RX810 crank set is for 11-speed.
GRX is a brand new series of gear components for gravel and cross. Shimano has asked a lot of riders in gravel and cross-riding about what they want in a new gear group so that it is the best possible fit for those who ride in that terrain.
The chainring is 40T, which is a really good choice for mixed terrain; both for when the hills are steep and when you need to go fast on the long flat sections.
Singlespeed cranksets in the GRX series use the same tooth profile that Shimano has used on MTB for several years. It is called "Shimano Dynamic Chain Engagement Tooth Profile" and covers a special design of the teeth on the chainring that keeps the chain in place better.
The pedal arm is 172.5mm long.
The Shimano GRX RX810 crank set is for 11-speed.
GRX is a brand new series of gear components for gravel and cross. Shimano has asked a lot of riders in gravel and cross-riding about what they want in a new gear group so that it is the best possible fit for those who ride in that terrain.
The chainring is 40T, which is a really good choice for mixed terrain; both for when the hills are steep and when you need to go fast on the long flat sections.
Singlespeed cranksets in the GRX series use the same tooth profile that Shimano has used on MTB for several years. It is called "Shimano Dynamic Chain Engagement Tooth Profile" and covers a special design of the teeth on the chainring that keeps the chain in place better.
The pedal arm is 172.5mm long.
Shimano GRX RX810 Crankset 40T 172.5mm 11 speed
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