Thread: Which pinion with 7.5t motor?
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Old 22-04-2010
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RogerM RogerM is offline
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Not sure it will help but I run a 6.5 on a 23 and an 8.5 on a 27 in the ZX5-FS. I use Speed Passion V3.0 motors and they are happy to pull those ratios without a problem.
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