To help riders consider and get their bikes ready for the start of next season the Thunderbike Reps, Riders and our Technical Dept have come up with the rules governing both BMCRC Thunderbikes and Thunderbike Extreme for 2013.....

BMCRC Thunderbike Regulations 2013

If you have questions on any of this please get in touch with the office and we will get the answers for you, or try joining the forum over on the Thunderbike website...

http://www.thunderbike.org.uk