Unit 6C Tollington Park London N4 3QX Bike Repair & Servicing London & Bristol | Fettle. Faff-free bike repair.Fettle. The home of faff-free bike repair. Covering both London & Bristol, fettle put the ‘service' back into bike servicing by providing the easiest, simplest and most convenient way of helping you get your bike back on the road.As a general guide, bikes should be serviced every 6 months. However, they’ll need more TLC if you’re riding each day, or ride in heavy rain. If you commute to and from work, a proper service every 6 months, with a minor check up at the change of each https://www.fettle.cc