Why is there play in my right shifter when I'm trying to brake? My left shifter is fine and there's no play. I'm running R8000 shifters with Mechanical disc brakes. 

Help

Expander plug keeps going up when I tighten everything up. Any solution or explanation? 

What's wrong

There's a spacer for when installing the derailleur, is the spacer supposed to be on the left or right? 

Help!

There's a silver flimsy washer that's on my cassette lockring, do I remove or keep it there? It also came on my disc rotor lockring but I removed them and installed as normal. 

Is it necessary

What tool do I need to open this centerlock rotor? 

Are they better than the traditional housing?

Link brake kits?

I want to get wires for my road bike with mechanical disc brakes, I saw these two and I'm not sure which set to get.

Which is better

Why is my rear brake able to bite and stop so well but the front one is so weak that when I press it all the way down it slowly brakes giving a fading feel?

Question

Is my chain too long or the derailleur is broken?

Chain slack

The seatpost is stuck and I can't even use an allenkey as it's not aligned, how do I fix it?

Seatpost stuck

It's been years and we still can't have cross compatibility between Android and iOS.

Please fix this

My bike has this unique seatpost I'm not sure how to install my saddle on it, would appreciate any help.

How to install?

How do I install my saddle on this seatpost?

Why sometimes while pedaling there's a random loud sound coming from the bottom bracket? It doesn't happen often and I'm not sure why it does.

heyitspuop