Neck style is another issue when it comes to selecting or creating custom chopper frames. You can choose the hourglass shaped neck that uses old style fork cups that come with the races already installed or choose a straight neck that you have to install bearing races into.ĭata-ad-format="horizontal"> Stock Custom Chopper Frames? A little stretch and lift is better than a lot for most people. If you use too much stretch, you get a bike that flexes a lot on the road. If you go too much up, you get a bike that is only comfortable for a very, very big and tall person.ĭo some research in this area before you start to find what will be comfortable for you. The trick is to get the combination just right. That would work well with a 12 inch over front end. If you stretch the backbone 2 to 3 inches and rise it 1 inch up, that can be a great street configuration. Next, think about the frame stretch that you want. The rigid frame pictured above was built by a subscriber to our chopper mini course by the name of Luke from Australia. The longer the front end, the more radical it looks but you lose in that it can be very unruly to handle on the road. The higher the rake degrees, the less cornering capability. 30 or 35 degrees are considered by many to be the best from a handling standpoint. But if you want some real road stability and easy of handling, consider no more than 40 degrees. Rear fender needs the mounting holes finalized too.I still have a ways to go before breaking everything down for paint prep.First, let's consider rake on custom chopper frames. If you want a really radical show bike and don't really care about handling on the road, go for a 55 degree rake. No place for one on the single downtube, I may need to fab something up. I should make a little progress this weekend- I need to get the drive train mocked up, add a tab for the seat, and come up with a regulator mount. Glad you're enjoying the thread, I will try to keep it current. Never tried on e before, we'll see if it works out. I wouldn't plan for that Baker pawl assembly. Regarding the Ultima 6-speed, I have never ran one but a few of my pards have been running them for a while with no shifting problems. Remember that a chain is an inch wide, so a 1 1/8" belt should clear easy. And yeah, on that 200 frame- if you have belts rubbing tires you have an alignment problem for sure. I have most of the offsets figured out now and will be able to help you out with the motor-to-primary spacer, motor pulley spacer, the rear axle spacers and location, and the rotor and pulley spacers if required. John- If you decide to go with an Ultima 250 frame, let me know. Nice stance, can't go wrong with evo-pattern motors, and I actually like the purple. Rickstar- good lookin bike you picked up.
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