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Deluxe 2 Stroke HD or UHD Shifter Kit II


Product Description

Shift Kit-the ultimate in shifting technology



This and our Standard kit are what you see in the YouTube videos. Take a look at the parts list in our installation manual to see what we supply in the standard kit then see what comes in the HD Shift Kit. - THE MAIN THING THE MAKES THE HD KIT IS THE HD FREEWHEEL. PLUS we include the following extras in the DELUXE:

*Dual Brake Lever
*Chain Breaker
*Crank Removal Tool
*Your option of an 11 tooth (speed) or 9 tooth (hill climbing) sprocket (comes with 10T (standard) as well)

The Deluxe HD Shift kit also now comes standard with the complete 131.5mm Bottom Bracket Cartridge (AND like the HD kit, this kit includes the HD Freewheel)

Note that this kit comes with typical mountain bike style crank arms and requires 9/16" pedals. If you have a one piece crank you will most likely need to purchase new pedals.

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

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

SBP also suggests a cartridge bottom bracket tool to install this kit.

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


Product Reviews

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  1. 5 Star Review

    Posted by on Mar 9th 2014

    I ordered this kit for my second build, it arrived via Priority Mail within a couple days. Jim was most helpful in answering questions and in a quick manner. Installation isn't too difficult for someone with a decent amount of mechanical aptitude. I fired the bike up for the first time last night and again this afternoon... all hardware seems to be holding up very well. Thanks to SBP and their exceptional customer service, I'll be a returning customer as I head into my 4th build!

  2. 4 Star Review

    Posted by on Aug 5th 2013

    The kit arrived much faster than expected, in good order. That's the good part, so far.

    Well, the folks here warned us. The manual clearly states that "Due to the variations in the castings and hole locations of the different engines some modification to the mount may be necessary. Verify fit of the upper mounting hole." I had to dig out my set of files and go to work.

    The rear mount, aluminum plate, and spacer bar all needed the engine mount holes to be filed. Likewise the the upper mounting hole in the rear mount needed to be filed. I had to remove about 2mm from each of these to get a decent fit. I strongly recommend that you use the bottom engine mounting studs in the rear of the engine while filing to fit. You can then just drop the parts onto the engine to 'test fit' your work. Start with the spacer bar, then the aluminium plate, and finally the rear mount. Once you are happy with the fit, attach the the aluminium plate to the rear mount, and make any adjustments required. Now you can get to work on that upper mounting hole (be sure to keep it slotted.) A lot of time can be saved if you have access to a mill.

    I read somewhere that this kit was not for the faint of heart. Mating the kit to my Skyhawk 66cc fell into this catagory. Now that the tough work is done, it should be a straight forward install onto my bike. I'm looking forward to that first ride.

  3. 5 Star Review

    Posted by on Jul 29th 2013

    I've been following this jackshaft kit for a while, finally pulled the trigger on the deluxe kit....arrived in 2 days! Great product, great seller, can't wait to slap it on and ride!

  4. 5 Star Review

    Posted by on Jul 26th 2013

    bought this kit for my trek mountain bike with 49cc slant head and its worth every penny, im 200+ pounds and live in West Virginia mountains and i travel everywhere i want to go with ease. SBP included everything and i received my kit in just a few days. I will def buy from SBP from now on for all my motorbike accessories, im actually placing an order this week for some different sprockets so i can ply with the gear ratios. thanks SBP for the great service!!

  5. 5 Star Review

    Posted by on May 15th 2013

    This product is awesome it was very easy to install, customer service was great. I have never been happier with my gas bike. Its the best thing I have ever bought for my bike and it worked perfect the first time which was a fifty mile ride it never got hot YOU MUST BUY THIS !

  6. 5 Star Review

    Posted by on Feb 23rd 2013

    Great product, a great upgrade for any multispeed motorbike

  7. 5 Star Review

    Posted by on May 21st 2012

    What can I say that hasnt already been said. Like always with SBP the shipping is very fast. The shift kit is made of good quality parts and is very well designed. I would recommend this kit and SBP to any motored bike enthusiast.

  8. 5 Star Review

    Posted by on Mar 23rd 2012

    Purchased a HD Shift kit and it arrived at my home address in Australia in five days.
    That is excellent service in my book.
    Have half installed the kit but need a half link for the 415 chain that I will get locally.
    Thanks again to SPB for their great service

  9. 5 Star Review

    Posted by on Jan 16th 2012

    I purchased one of these a few months ago. Jim at SPB has been more than helpful with any issues. They really stand behind their quality products. When I received the box containing the kit, I was really surprised that they send EVERYTHING you need to get this kit on your build. Tools including a chain breaker and crank puller, extra sprockets, etc. The kit is expensive, but you get a lot for your money. Follow their directions carefully, there is a reason that they strongly recommend that you have experience repairing bicycles and building motorized bicycles. The shift kit was the most expensive component of my build, including the bicycle itself, but once you get it working, I'm sure you'll agree it's totally worth it. Heavy Duty, high quality parts, smooth machined operation. The directions are logical and clear. Follow them exactly. If something seems superfluous, I speak from experience, it isn't. Everything has a purpose. Trust me. If you live in an area prone to rust, invest in some rust protection (NOT WD--40) and maintain it. Keep an eye on the HD Freewheel, and check your bike before every ride. I'd say the hardest part of installation is the chain tensioning from the drive sprocket to the bottom bracket, but stick with it. Any problems, I've always had fast courteous service from SPB. I highly recommend the Deluxe HD Shift Kit II and Sick Bike Parts. I've made several smaller purchases from them and I'm always satisfied. If there's something I need, I always check here first! Now I want an expansion chamber!

  10. 5 Star Review

    Posted by on Nov 1st 2011

    I would recomend this shift kit to anyone building a mb just on one simple fact that rag joint can destroy your left side spokes for the safety factor alone GREAT JOB SICK BIKE PARTS !

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