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pagey27

12-10-2015 01:00 PM

bmax4iii gearing

I have recently got myself a bmax4. I'm running a 7.5t motor with the standard 87 tooth spur. Which way should I go with the pinion so I can get more top end. Because it's very slow down the straight. Any information would be great and thanks In advance

Suzukitudor

12-10-2015 02:08 PM

Bigger

Bigger pinion = less rotations of motor for 1 rotation of rear wheels = more speed.

rcpower

12-10-2015 02:49 PM

It depends, are you running boost settings or not on your speedo?

If you are not running any boost I would go with 22T-24T

If you can add some boost, go with 21T or 22T

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