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I've been out of racing/biking for about 4 years, I got my car and well the rest is history. Anyway I recently hit the trails only to find out my chainrings are bent in half, so I was pricing whole new cranksets. I've found that most state they work with the 9spd setups, well I plan on keeping my 7spd cassette and setup for now... will this still work? Can anyone point me in the right direction?

Thanks
Brett
 

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BrettRT said:
I've been out of racing/biking for about 4 years, I got my car and well the rest is history. Anyway I recently hit the trails only to find out my chainrings are bent in half, so I was pricing whole new cranksets. I've found that most state they work with the 9spd setups, well I plan on keeping my 7spd cassette and setup for now... will this still work? Can anyone point me in the right direction?

Thanks
Brett
Yes it should work no problem.
 

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My experience has been that yes, it will work, but you'll want to switch to a 9 speed chain to run on that 7 speed cassette.

For all intents, 7 speed and 8 speed spacing is similar, and I a similar combo using an 8 speed cassette and SRAM PC59 chain with a 9 speed crankset for a couple of years, no trouble.

Shimano makes a similar recommendation in their 9 speed FAQ.
 

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Speedüb Nate said:
My experience has been that yes, it will work, but you'll want to switch to a 9 speed chain to run on that 7 speed cassette.

For all intents, 7 speed and 8 speed spacing is similar, and I a similar combo using an 8 speed cassette and SRAM PC59 chain with a 9 speed crankset for a couple of years, no trouble.

Shimano makes a similar recommendation in their 9 speed FAQ.
I'd say try the 7sp chain first, especially if it's not worn and in decent condition. It may work fine. I've run a 9sp crank with 7sp chain and had no problems. And I run an 8sp chain with 9sp crank and it works great.

If after trying it, it doesn't seem to shift well, switch the chain.
 
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