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7 votes
4 answers
1k views

Guidance to replace cassettes sprockets "individually"

I've seen that sprockets were sold separately (or by "groups/spiders"). Given the small sprockets wear faster than the big ones, it could make sense to replace them at higher interval than ...
Rеnаud's user avatar
  • 21.4k
3 votes
1 answer
2k views

Chain skipping on upper pulley of rear derailleur

Background: I have a full suspension mountain bike with SRAM GX Eagle components. I snapped my chain recently, and replaced it with a new one of the same model. Made sure to size it the same as the ...
user2774695's user avatar
3 votes
4 answers
4k views

Early Rider Belter hub maintenance

My son has had an Early Rider Belter for around 14 months. Recently, I've noticed the free-wheel sounds "gritty", and there is quite a bit of friction if you move the cranks backwards while the rear ...
Paul Suart's user avatar
5 votes
7 answers
11k views

How to measure chainring / cog wear?

Other than attempting to estimate whether a chainring or cog is worn and needs replaced by eyballing it, is there any way to measure the wear on chainrings or cassette cogs so you can determine ...
Benzo's user avatar
  • 18.3k
9 votes
3 answers
42k views

Which lubricant/grease to use for ball bearings?

A little mishap happened today during cleaning my bicycle. I tried to take off the sprocket wheel for easier access, but instead I opened the lock nut of the hub (cassette type) and the balls came out....
Ernst-Peter's user avatar
3 votes
3 answers
7k views

Is my local bike shop asking to much money to change a rear cog?

I normally have much love for my LBS, but I've moved recently and am a little unsure about this new one due to the fees he is asking. I have a flip flop hub with a fixed gear (18 tooth) cog on one ...
nasty pasty's user avatar
4 votes
3 answers
23k views

Why is my drivetrain so noisy after replacing the chain?

I ride an SE Lager fixed. On the 30th of May this year I did a bit of an overhaul, replacing the rear cog, chain, wheels, tyres and brake pads. I measured the chain last weekend and discovered that ...
Mac's user avatar
  • 9,156