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*4 Stroke Shift Kit

$189.95
SKU:
SBP-4TSK001
Quantity:

Product Description

MADE IN THE USA

This kit is designed to fit the 49 cc Honda or Huasheng engine using the Hoot or Grubee Stage 2 or 3 gear box as well as the 4G belt drive for the 5/8 shaft engines. This kit will allow the user to shift gears using the bike's standard rear derailleur.

Here are links to additional information, read carefully before purchasing:

Product Description
Requirements for using the kit
Bottom Bracket Descriptions
Installation Manual


NOTE: If you are attempting to use this kit on a "FAT TIRE" bike please contact us directly. This kit is based on it being installed onto a "standard" bicycle. Fat Tire bikes may have special needs.

Do not forget to measure your seat tube and down tube and select the appropriate sizes.

Product Reviews

Write Review

  1. smooth shifting and reliable 5 Star Review

    Posted by on Sep 13th 2017

    I enjoyed building this on my 4stroke ,it offers a lot of shifting varieties!it takes a few days of tweaking to get it smooth but it's reliable and fun!

  2. Great Design!! 5 Star Review

    Posted by on Sep 2nd 2017

    I am a 64-year old retired mechanic, and I am very impressed with the quality and design of this product. It was fun to install on my KMB frame. I had to remove the 2-stroke pedestal mount, but other than that it fits perfectly. Make sure you buy a cassette tool, crank removal tool, and chain breaker. You will need them. I've ridden it four times with no problems or tweaks needed.

  3. High Quality 5 Star Review

    Posted by on Jun 3rd 2017

    The quality of this kit is Top Tier. Everything was in its own package. The instructions made the assembly a lot easier but their were items in the instructions pictures that were not in the kit. So I don't know if the instructions need to be updated. The only thing that confused me for a bit was which bolts to use in the different sections. I figured it out but if they could be color coded or number stamped that would add the ease ability. All in all its the best kit on the market. I had a question so I called them up and they returned my call. The second kit is on its way. :) Excellent Product!

  4. 5 Star Review

    Posted by on Jan 20th 2016

    ordered my shift kit on Friday, received them on Tuesday. all looks real good. I wish you gave options on the front freewheel as I have my doubts about its lifespan. I for one would have sent you more money. can't wait to get started. thanks guys

  5. 5 Star Review

    Posted by on Jul 9th 2014

    Very high quality, well made and strong. I will definitely be a returning customer. I highly recommend this kit, and this company. Great customer service! This kit is like a dream come true compared to the basic left hand drive set-up. Well worth the cost considering all the quality components, especially the engine mount. 10/10 Would ride!

  6. 5 Star Review

    Posted by on Nov 3rd 2013

    The best kit available without a doubt. Very professional.

  7. 4 Star Review

    Posted by on Sep 5th 2013

    Kit seems great. all the parts fit together with minium filing and are very ingenious. i wish the crankshaft was wider as my 4 stroke is quite wide on the frame but besides that seems great.

    mad props to the team at sbp. great customer service!

  8. 5 Star Review

    Posted by on Dec 1st 2012

    I m not 100% complete with this kit, just need one more part. But I am so pleased with how all the parts went together as they should and how well it is documented on how to get this all together. Bought a complete 4 stroke gas power bike kit (Bike & engine) from Bike Berry and nothing was going right with it, not even the engine would fit the bike it came with. Saw this site and figured I would take the chance on it, I am so glad I did! The package came in and first off, it will well packaged. Opened the box and all the parts are in there own group and in there own bags, not all just dumped in to one bag of hardware like my BB kit was. Due to my bike frame I need the adapters to convert my 1 piece bottom bracket (BB) to the standard 3 piece, once that is done, I am all set. I am sure I will be posting more info one I get this going. As it is, I got to say Thank You SBP for a well put together kit with quality parts.

  9. 3 Star Review

    Posted by on Jun 22nd 2012

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  10. 5 Star Review

    Posted by on Jun 24th 2010

    Just purchased this item, took it two days to receive it(AWESOME!), A night and morning to install it,
    install went smoothly only problem was with the hight of the engine, nothing a little sawing didn't solve, ha-ha. Ridden my bike three times now and loving everything the 4-stroke shift kit did for my motor-biking. Thank you Sick Bike Parts.

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