One thing we know at GCT is that after 24 years in the Game. Bike servicing is the one thing u don't get wrong! Our repairs are done by Cert 111 mechanics with over 20yrs experience each and not by someone who is just handy with tools. We guarantee our work and service all bikes from your basic bmx,mtb and road through to several Olympic champions bikes. Want it done right GCT is the place to go!!! .