Beginner’s Guide to Mountain Bike Drivetrains (2026)
I still remember the first time a shop mechanic asked me what cassette range I wanted on a new build, and I…
Practical guides and tutorials for servicing and repairing your mountain bike. This category covers routine checks, complex component service, suspension setup, and troubleshooting to help you save money and understand your machine better.

I still remember the first time a shop mechanic asked me what cassette range I wanted on a new build, and I…

I swapped a 60mm stem for a 40mm on my trail bike a few seasons back, expecting a small tweak. Instead, the…

I trashed a rear wheel on a rock garden a few seasons back — not a broken spoke, just a wheel so…

I ran tubes for my first two seasons of real trail riding, right up until a rock garden on a local descent…

I once rode a 1,200-foot descent in the Wasatch with a lever that had gone soft on me halfway down — not…

I ran a chain past its replacement window once, on a multi-day trip where I didn’t have a chain checker with me….

I’ve walked more than one bike back to the trailhead, and it was never the frame or the derailleur that quit on…

I still remember trying to help a buddy swap gears on his hand-me-down hardtail and realizing halfway through that nothing about it…

I’ve had a chain snap on me twice—once on a fire road, which is just annoying, and once mid-climb on a technical…

I spent most of a season riding a shock that was 15 psi over-pressured because I never bothered to check it against…