Useful mountain biking links:

• mtb marathon
• single track
• chainreactioncycles.co.uk
• wiggle.co.uk

Useful adventure racing links:

• Sleepmonsters
• Ace races
• Questars

Genral kit useful links:

• Snow + rock
• Ellis Brighams

Skiing links:

• BASI
• Skiworld
• Natives

Misc:

• My Dad's site