Bike Forums - Crankset help!

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duzt55

11-13-17 06:04 AM

Crankset help!

I want to replace my crankset. my crankset is a jt170mm with a 36 teeth crank wheel, can I upgrade to a 48 teeth crank wheel or will it be a problem?

checoles

11-13-17 07:06 AM

shouldnt be a problem, you may need a new chain though, as you're adding 12 teeth to the gearing, and the chain probably won't go round. Why the big jump in teeth though? Or, why did it have so few on there? Single Speed Mountain Bike?

zubes5280

11-13-17 10:51 AM

I'd also make sure the chainring can clear the chainstay - 36t is pretty small, if its a SSMTB you may run into clearance issues with a bigger chainring.

checoles

11-13-17 10:56 AM

Quote:

Originally Posted by zubes5280 (Post 19989864)

I'd also make sure the chainring can clear the chainstay - 36t is pretty small, if its a SSMTB you may run into clearance issues wit a bigger chainring.

Ah yes, if it is a SSMTB then chances are it won't take to it. Didn't even think of that.

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