New product?

I was never fond of the shifter kits... I've built many of them over the years & they do what they're supposed to, but they're very tricky to install correctly & they always seem to need re-adjusting.

The newer style kits with the large U shaped main bracket are a lot easier to install, but they still need constant maintenance... (the kit shown is a old style). :(



In all my years of building these bikes, I've found that a standard 'single speed' bike is the easiest to build & maintain; & it can still go fast enough to keep up with traffic.

I actually had a shifter kit on my very first racing bike (for the So-Cal races), but I quickly figured out that I could race faster without it. dnut
 
I like worksman coaster brake wheels... just a motor nothing extra to break or get loose clothing caught into... 240# 46 tooth sprocket... LOL
 
Larry Trotter said:
Anyone tried this setup?

www.ebay.com

415 CHAIN 2-STROKE 80CC MOTOR GAS ENGINE KIT FOR BICYCLE CYCLE BIKE SILVER NEW | eBay

Feature: 1. The kit is suitable for almost all unchanged normal 2-stroke bicycle engines and allows the user to use them The standard rear derailleur lever on the bike for changing speed. 2. Jackshaft kit for gasoline-electric bike conversion accessories. 3. Low noise, just like a normal bicycle...
www.ebay.com
Click to expand...
I'm sure the bearing in the shift kit would have to be replaced. Good find though. Issues I don't like with a single chainring shift kit are the cross chaining and the narrow reduction range.

The triple chainring shift kit I use solves both of those issues. My reduction range is 66.79:1 to 16.25:1. I also use a color-coded one-hand shifting system. The only time a chainring is changed is when in either rear sprockets (3) or (5).
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