How To Measure Wheel Spacers (After Hardtailing)

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Once you install that brand new hardtail onto your chopper, the next step in your build process will be to space your rear wheel so you can begin mocking up other pieces like your fender and seat.
In this video I'll take you through the 3 key components of proper rear wheel spacing...
1. Centering your wheel in the frame
2. Ensuring brake pad/rotor alignment
3. Lining up your front and rear sprockets
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CHAPTERS
Intro 0:00-0:36
The 3 Steps 0:37-1:08
The Master Measurement 1:09-1:52
Measuring For Center 1:53-4:35
Spacer Kits 4:36-4:51
Brake Caliper As Spacer 4:52-7:49
Sprocket Alignment 7:50-8:39
The Dished Sprocket Dilemma 8:40-10:01
Measuring Sprocket Offset 10:02-11:11
Axle Too Long? 11:12-13:49
Aligning Your Chain 13:50-14:19
#chopper #chopperbuild #wheelspacers #harleychopper #howto

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Опубликовано:

26 июл 2024

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Комментарии : 42

@Mattyhacks71 5 месяцев назад

This is the video I was hoping to find!! You answered the exact questions I had, which I could not find anywhere else (including from the manufacturer of my hardtail kit, which is wild). Thank you!

@greasesgarage 5 месяцев назад

I love to hear things like this, I appreciate you taking the time to leave a comment 🙏🏼

@laurentruesdale4088 6 месяцев назад

About machine shops. Where i worked, i did most of the lathe and mill work. When i retired, that part of my job was contracted out. Young people today aren't learning machinist trade. Ive taught my kids all i know. They just need practice now. Very good explanation of spacers and centering.

@greasesgarage 6 месяцев назад

I have a friend in his late 60’s who did his whole career as a manual machinist and has said many times that the manual side of the trade is disappearing. Both in people who can/want to do it and in companies even wanting to do it at all. Do you agree with that sentiment? Did you do manual and CNC?

@laurentruesdale4088 6 месяцев назад

@greasesgarage sadly most companies are only going with cnc machines. If a machine wears out its replaced with cnc. Not many trade schools that even offer manual machining classes, cnc yes. So kids, even young adults have no clue even on the basics. Used manual lathes and mills can be purchased for very reasonable prices now. People just don't want them now, owners are getting old and selling. I'm kind of rambling. I started and learned on an old manual Southbend lathe. I was 19 I think. I have used all three manual, NC, and CNC. I made engine parts for Mack that was all CNC. FN was manual mills. Clearly my home machines are manual.

@chrishankins2700 9 месяцев назад

Light at the end of the tunnel. I was stacking washers to keep axle stick out symmetrical and prayed it would work. Thanks for blazing the trail on that.

@greasesgarage 9 месяцев назад

Oh yea you’re good on that, flush to the axle head on the one side and spacer for the extra space on the opposite side 👍🏼

@caseycarey5445 9 месяцев назад

I’m so glad you posted this I’m doing this step in about a week thank you

@greasesgarage 9 месяцев назад

Perfect timing ⏱️

@chipmartin7608 9 месяцев назад

Dude, your videos are awesome! All those dumb little maintenance/modification jobs are much easier after watching your channel. My tires are very old and since I am going to replace them, I'll take the opportunity to change the rims as well and I was wondering about the process. Now I know. Thanks!

@greasesgarage 9 месяцев назад

Thank you Chip 🙏🏼

@Makermook 9 месяцев назад

This is a great video. I'm going to make a chopper build my winter project and this clear information is exactly what I need. Thanks!

@greasesgarage 9 месяцев назад

Glad to hear it’s coming across clear, thanks for watching 🤘🏼

@michaellaughlin3962 6 месяцев назад

Just used this and your chain alignment video to get the rear wheel spacing right on my ‘73 flh stock swingarm frame. The previous owner had upgraded the brakes to ‘03 softail brakes, did a good job making the brake stay (I determined after watching your video on that), but never got the spacing right which I found after removing the rear fender and installing Baja tires. I had a hard time trying to mark the axle where I could read it, so I just pushed sewing tape through the axle to get the measurement which worked well. Thanks for your help!

@greasesgarage 6 месяцев назад

That’s a great idea Mike! Glad you got it sorted 🤘🏼 thanks for checking out the videos I’m happy to hear they’ve been helpful 🙏🏼

@davidyager8817 9 месяцев назад

Thanks for the great explanation for this kind of process. Keep the videos coming.

@greasesgarage 9 месяцев назад

Glad to hear it came through as clear 🙏🏼 thanks for watching. Please share it with a friend who could use some help

@tonycrist2003 День назад

Thanks for the video

@greasesgarage День назад

Glad you enjoyed it 🙏🏼

@seller559 9 месяцев назад

I bought a custom bike. Has a 180 tire on the rear. Bought a new chain. Lined it all up square and the chain rubbed the tire. I attempted to realign everything a dozen times. I was going crazy. Took it to shop and found out it was built slightly off(out of align) to fit such a large tire. He added a dished sprocket and spacers , we’re good. Great video 👍

@greasesgarage 9 месяцев назад

This is a great point, there are circumstances where a dished sprocket can be necessary but they’re more often the exception as opposed to the standard so for this video I kept it pretty basic. Glad you shared this though!

@lawnboyfromhell 9 месяцев назад

Good video thanks!

@Josh_The_Fabricator 9 месяцев назад

This was a great video , couple of things I read throughout my journey hardtailing my shovel was that sprocket alignment was key. I used a stock shovel rear wheel and a stock small dished 51t sprocket and when I ran a string line down my wheel is approximately 3/16th of an inch toward the brake side of the bike . With the wheel centered the sprocket is to far toward the frame . This tells me that the bikes from the factory did not have perfect center alignment. I guess I will find out if it tracks funny... the general masses on the web seems to think it will be a non issue though.

@erikrapoport7318 9 месяцев назад

My only concern with the priorities is if your hardtail isn't square to the frame, you shouldn't start out by centering the wheel. You should KNOW without a doubt that the center of the neck is in line with the exact midpoint of the axle. I know this because i bought a frame with a hardtail installed once, and it was off a BUNCH. Took some work, but the wheel was true when i was done, and with some creative bending on the sissybar, it was very hard to tell

@olcanoli1901 7 месяцев назад

When using the sharpie method, in many applications, I prefer to smear some localised sharpie and make my mark with a scriber. It's not much, but 'start better finish better'.

@greasesgarage 7 месяцев назад

Good idea!

@erikrapoport7318 9 месяцев назад

In response to the machine shops... good machinists area leaving and becoming fabricators!!

@greasesgarage 9 месяцев назад

But how will they talk about their tolerances?!?

@djd34d14 9 месяцев назад

Well if there weren't tolerances in fab before, there will be now!

@greasesgarage 9 месяцев назад

@@djd34d14😂 exactly

@djd34d14 9 месяцев назад

I've been wondering if my rear has been a little off. Thought my brakes had been sticking but i think alignment may not be perfect. Gonna use these methods to see if spacing is my issue. Has just been trusting the spacing it had when i bought it hardtailed.

@greasesgarage 9 месяцев назад

Always a good idea to check, let me know what you find

@MoeLarrycurly1 9 месяцев назад

👍👍👍🏍️

@davehardan8323 2 месяца назад

Hey Grease. Why would spacers be aluminum? Its so soft. Wouldn't polished stainless steel be what you'd want?

@greasesgarage 2 месяца назад

You know that’s a great question. I’m not sure honestly why the kits are sold that way. I made mine out of stainless so you can definitely use that. Maybe it’s just so it’s easier for the average person to cut it? Being that aluminum is so soft

@lego9126 8 месяцев назад

Doesn’t a lot of this go out the window if you’re using a asymmetrical frame like one to accommodate a wide tire especially when centering the wheel to the frame

@greasesgarage 8 месяцев назад

It does, but wide tire occ style bikes aren’t something I feature on this channel so for that type of build I wouldn’t be suited to give any advice

@olcanoli1901 7 месяцев назад

Thanks, Grease. Concerning axle mods; yes, an easy job for a competent machinist. If you venture into making axles, in layman's metalleurgic terms, grade 5 is preferable to grade 8. Bending and stretching is way better than cracking and breaking. Don't use unknown steels. Just sayin'.

@greasesgarage 7 месяцев назад

That’s good to know! Very true, I certainly wouldn’t want to find out what happens when it breaks haha. Do you do axle mods?

@myendurochallenge8885 4 месяца назад

I have to disagree a little bit....your rear wheel does not have to be perfectly centered between the axle plates....an offset is acceptable and sometimes unavoidable.most important is that the wheel is parallel with the centerline of the frame and the front wheel.bottom line make sure your wheels are both pointing straight