23x18 These are the standard size Rollers found in most CN 250 Variators. A decrease in weight will increase your engagement RPM, thefore increasing your entire torque band.
The Maximum HP of the CN 250 engine is acheived at 7500 RPM, but most Buggies are not even obtaining this level at their maximum RPM. By changing the rollers, you will be closer or possibly over the 7500 mark and will see the difference right away in any climbing or stress situation such as mud or sand. WE consider this a MUST as one of the FIRST mods to your Buggy. The 15 gram weight is the ultimate in low end power but may cause a slight decrease in top end, while the 18 gram is a happy medium. 15 gram is our #1 seller.
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