Install Motocross Handlebars On A Vintage Bicycle - Dirt Bike Bars On Single Pinch Bolt Stem
ฝัง
- เผยแพร่เมื่อ 5 ก.ย. 2024
- Step by step. How to switch to 2-piece motocross handlebars on a vintage bicycle. Install 7/8” (22.2mm) diameter bars in a 1” (25.4mm) vintage bicycle stem.
You can find very good, reasonably priced MX bars on Amazon: amzn.to/3QJdS26
Excellent Sunlite shims can also be found here: amzn.to/460itl7
I may receive a small commission if you make a purchase via the links above. Thank you so much for supporting the channel!
YO! Cable ferrule on a punch is one that I hadn’t thought of. Nice! Thanks!
No problem! Thank you!
It needs one of those nylon-covered foam pads to finish.
Hah! I think you are right, Jon.
Hi! So, why couldn't you have used a handlebar with a larger bore clamp diameter and avoided the shims? Modern ones come in bore sizes of 25.4mm and 31.8mm, both with 22.2mm ends. Also, you said in a reply to me in another video that you had to bend the gap of the stem mount wider to get the bar out? Did you have to do that here? And if you did, how did you manage to do it? It would seem to require a lot of force!
This was to mount a two-piece, high rise motocross bar on a single pinch stem. Bicycle specific one-piece riser bars are available in a variety of clamp diameters. Easy enough to put a riser bar with a 25.4 clamp diameter on this stem, but I wanted to show an 7/8” (22.2) MX bar installation.
I didn’t have to pry open the stem to remove the bar on this bike, but I did use a pry bar to open the stem for inserting the shims and positioning the bars. Use the same method, gently. If they are still stuck, you may have a galvanic corrosion situation (I.e. steel bars in an aluminum stem), and will have to use force to break that bond.
@@ReferenceBicycle Ok, got it, thanks. I do now see that you widened the gap slightly before dealing with the shims. So, you only did that to make it a bit easier right? In theory, the width of the new bar plus shims should have exactly fit in the original 25.4mm gap. But how did you widen the gap without damaging the metal? Just a simple pry bar of some sort? Seems like a lot of force would be needed.
Yes, just to make it easier. It barely takes any force. It only needs a tiny amount of clearance.
I’ll add that it’s very easy to damage an aluminum stem with a steel pry bar or screw driver. You need to use finesse and be careful where you place the pry bar, and how much force you apply.
@@ReferenceBicycle ok, good. I'm a weak girly man! 😊
I think you will find that a coke can shim is required for this application. Yours ‘a child of the seventies’ 😉
Thanks for watching!