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9 votes
2 answers
3k views

I have a bent aluminum rim on my Merida MTB. Is it damaged beyond repair?

Consider: I was riding my local trails today, got a flat tire (due to not riding tubeless) and before I realized it, I hit a jump with too little air in the tire and I bent my rear rim. Is it is ...
Andreas Patrik Lukáč's user avatar
5 votes
1 answer
2k views

Can I repair this valve stem hole?

Today I got a stick wedged between my frame and tubeless valve stem. In addition to snapping the stem I widened the hole a bit. Any suggestions on how to fix it? Current plan is to go over the whole ...
dranxo's user avatar
  • 198
4 votes
0 answers
608 views

Mavic Cosmic SLS - carbon separation

Some aero’ wheels are an aluminium rim with a carbon fibre shroud. On a Mavic Cosmic SLS rear wheel, I’ve found that the carbon fibre shroud is separating from the aluminium rim. Just visible in the ...
Swifty's user avatar
  • 13k
10 votes
1 answer
364 views

Is this aluminium rim saveable?

I have an 8 inch rear wheel off an adult scooter. It appears to have suffered crush damage - at a guess someone's driven a car over the wheel while on its side. The bend is smooth and covers perhaps ...
Criggie's user avatar
  • 131k
3 votes
2 answers
2k views

Is it safe to polish aluminum rims?

Everyone loves polished aluminum, but you typically have to pay a good 30% more for it vs. any other finish. Since polishing is a simple process requiring widely-available tools, I thought I could ...
Syl-bonk's user avatar
  • 253
2 votes
2 answers
2k views

Can I replace a 26"/2,0 rim with a 26"/1.75 rim?

My bike's front rim bent and I want to replace it. I bought a Apollo Summit 10 for 250$ After some time the front rim bent when I fell down on the street and when I asked in the market its 120$ for ...
nine's user avatar
  • 23
5 votes
1 answer
6k views

Steel vs Aluminum Spokes and Rims

I'm looking at a couple of cruiser bikes on Craigslist. I want to take them to my beach house for guests. How can I tell if the rims and spokes are steel or aluminum? The steel spokes on an ...
Patricia's user avatar
4 votes
6 answers
15k views

Correct inflation pressure for old road bike

I have an old Fuji road bike that I got a garage sale a while back. It's probably from the 70s or 80s. This summer, I've been trying to fix it up into good condition for some longer-than-usual rides (...
Danny's user avatar
  • 51