With this particular CRF450L Supermoto Conversion, we're going for more of an Adventure Bike themed Supermoto. We plan to ride this bike a lot on the street, using it to commute back and forth to the shop, but we also want to take it on the occasional off-road ride via dirt roads, gravel roads, and some mild trails. So with this specific supermoto project bike, we've gone with an 80/20 Shinko 705 tire so we can do both street riding and mild off-road riding as well.
Converting a CRF450L to a supermoto is pretty straightforward. All you really need is a good set of 17" supermoto wheels like the ones we use from Warp 9 Racing, and then some 17" tires like the Shinko 705's we're using on this bike (see details below). There are a few things you need to do to fit the smaller 17" wheels/tires. Up front, in order to clear the smaller 17" supermoto tire, you have to re-route the front brake line to the outside of the fork leg and also trim the plastic lower fork protectors so the front tire doesn't rub. On some dual sports, you need need to source a shorter kick stand so the bike doesn't stand straight up with the kickstand down.... but with the CRF450L, you don't need to, and the stock kickstand works just fine. As for a rear sprocket, the gearing you choose is a personal preference type of thing, but on this bike we went with a 44T and like it for the type of back-road riding we do with this bike. One final thing we installed was a 12oClockLabs Speedometer Calibrator to correct the speedometer and odometer after installing the smaller wheels/tires.
SUPERMOTO WHEELS/TIRES/MISC STUFF:
Warp 9 Supermoto Wheels
- Black Rims, Black Hubs, Red Nipples, Silver Spokes
- 17" x 3.5" front wheel, 17" x 4.25" rear wheel
- Cush Drive Rear Hub
- Warp 9 Racing Rear Sprocket, Black, 44T
- Stock Front Rotor
Twin Air Pre-Oiled Air Filter
** NOTE: The FMF Q4 muffler / MegaBomb header exhaust is approved by FMF for the CRF450X off-road bike. It is not currently recommended or approved for use on the CRF450L dual sport. To make our bike run properly, we are using a JD Jetting EFI Controller and have adjusted the Controller settings to JD Jettings recommended settings for an aftermarket exhaust/air filter.
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