I just had my vtx1800f tiked by The Trike Shop of Daytona (Roadsmith). My top speed is only ~75-80 MPH at <b>5700 rpm</b>. The kit came with a 3.55 DANA 30 differential. What ring and pinion would I need to get me back to 70- MPH at 3000 rpm? Tires are now 16" the OEM final primary drive ratio was 3.09 with 18" wheels. <br />
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I used a full tank of gas bring the bike home 90 miles 4.2 gallons with the current gear ratio, 21.5 mpg, was getting ~40 to 42 mpg.<br />
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REOFL