Angry Asian
The definitive guide to maintaining and tuning your mountain bike suspension fork.

Biking Articles by Sheldon Brown and Others
This site contains a wealth of technical articles about bicycle maintenance for both mountain and road.

Chainffect
Discusses technical aspects of suspension systems on mountain bicycles, with technical illustrations.

Chain-suck in a Nutshell
Jonanthan Levy details the causes and mechanisms of chain suck and how to avoid and prevent it.

The Coyote XC-2 Resource Site
An unofficial resource created to answer questions about the Coyote XC-2 Mountain Bike.

The cycle shed
Single speed, wheel building, t-shirt printing, yorkshire (UK) based stuff.

Mountain Bike Instruction
Features fun and friendly off-road mountain bike courses for beginners in the United Kingdom.

Mountain bike mailing list faq
Extensive FAQ compiled and appended by members of a mountain bike mailing list.

Singlespeed Mountain Bikes
Many cyclists are rebelling against the excessive complication, fragility and weight of current mountain bikes. Discusses move to using simple, one-speed bicycles.