Apc chopper rear wheel spacers - Pocket Bike Forum - Mini Bikes
 
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post #1 of 6 (permalink) Old 05-18-2019 Thread Starter
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Apc chopper rear wheel spacers

My sons mini chopper with dual rear wheels lost some bearings and chewed up the inner spacer between the wheel bearings on the sprocket rim. I also would like to get new axle spacers. Does anyone know where to purchase this? Also what is the difference between 6000z and 6000zz wheel bearings? Thanks again any advice is greatly appreciated!
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post #2 of 6 (permalink) Old 05-18-2019 Thread Starter
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These are the spacers off the axle that we have.
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post #3 of 6 (permalink) Old 05-18-2019
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Re: Apc chopper rear wheel spacers

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Originally Posted by Johnnymerk808 View Post
These are the spacers off the axle that we have.


Difference between 6000z and 6000zz are the quality in the bearings...ZZ are better quality..

I'd get the 6000-2RS bearings which are rubber shielded instead of metal which seal a lot better..

There are 2 spacer tubes that go between the rim hub bearings that are like 4" long and [1] 3/16" wide spacer between both wheel bearings for both rims that spreads the tires apart 1 aluminum spacer that locks both rims together and two spacers that center the assembly in the rear swingarm along with 2 chain adjusters,2 washers and 2 nuts ...So youll have a total of 6 spacers, two washers ,two chain adjusters and two nuts.

You can go to Home depot and pickup some 1/2"od round tube and make a new rim hub spacer..

Looks like you have the two outer spacers and 1 rim hub spacer.You need a 3/8" wide x 10mm inside diameter spacer and a rim hub spacer the same size as the one you already have.

For the rim locker it can be made out of steel or aluminum fence pipe / electrical conduit..

Heres a picture of the aluminum collar that locks both rear wheels together so they both spin like posi-traction...Theres 2 pictured but only 1 is needed..

The best thing to use is a 1 1/4" EMT conduit pipe tubing......Its thin-walled, much stronger steel with a perfect sized inside diameter for the job....

https://www.homedepot.com/p/Halex-1-...4012/202259061

https://www.ebay.com/itm/1-1-4-Galva...-/351739226737






In this picture the spacer tube is between the bearing and the band brake housing to properly space the band brake assembly to the brake hub
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Last edited by CAM2; 05-18-2019 at 04:19 PM.
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post #4 of 6 (permalink) Old 05-18-2019 Thread Starter
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Thanks I will keep you updated. So then I believe It goes, starting from brake side,18mm, 60mm inner wheel, 18mm between the wheels, 60mm inner wheel, and then 25mm on the sprocket side.
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post #5 of 6 (permalink) Old 05-18-2019
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Re: Apc chopper rear wheel spacers

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Originally Posted by Johnnymerk808 View Post
Thanks I will keep you updated. So then I believe It goes, starting from brake side,18mm, 60mm inner wheel, 18mm between the wheels, 60mm inner wheel, and then 25mm on the sprocket side.

3/16 - 3/8" spacer between the wheels

The locking sleeve slides onto one whole side of rim hub then the other side just locks into the triple splined end on the other rim hub side....

If you don't put the locking sleeve to lock both rims together when you lean to the left the rightside rear wheel is going to lift , spin then re-gain traction harshly when it pivots back causing a lot of unneeded stress on those three thin little M5 screws holding the rear sprocket on.

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Last edited by CAM2; 05-18-2019 at 09:28 PM.
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post #6 of 6 (permalink) Old 05-19-2019
Re: Apc chopper rear wheel spacers

Just got a great deal on bearings on Amazon no less, and fast shipping. 6202-2RS-C3 ( 2 rubber seals ), 23,000 RPM bearing, chrome steel, 15mm-35mm -11mm. For 49cc reed port and piston port, crankshaft bearings, $14 for 10 bearing pack $20 total w/ shipping, free if you have Prime. PGN Bearings/Amazon. You need 6000ZZ-2RS bearings.
For the crank I remove one or two seals to make on open bearing or a modified seal one side open.

Empty Pockets Racing: The difficult we do, the impossible takes longer.....
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