- Observed Trials Forum - www.observedtrials.net
- Trials Australia - www.trials.com.au
- Trials Central - www.trialcentral.com
- Wa Bike Trials - www.wabiketrials.com
- Trials-Forum - www.trials-forum.co.uk
- Echo Bike - www.echobike.com
- Adamant Bike - www.adamantbike.com