Cannondaleriders

The "gapless" ring is used in nascar motors, it it basically 2 rings machines together to take place on top compression ring. If you do a leak down test before ring install and after you gain around 12% less blowby. I have sent a couple sets of these to the factory with same results. I race mostly m...

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If you still have problems, go and buy a factory honda CR250 gas cap, that fixes problem for good, works on old tanks also.

Hey guys, new to your sight, been racing a cannondale all year. FDO Racing in Ohio (740) 967-1078 made me a "gapless" ring which made a big improvement, really helps on low end and a little on top. No mapping changes either, makes a stock Moto map feel like Blaze on bottom end.

we have been doing away with on/off switch mounted on handlebar, then use existing wire from it to use on your "pingel" tether switch