Cam MTB - the Cambridge Mountain Bikers' Forum
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DISCLAIMER. MOUNTAIN BIKING CAN BE DANGEROUS. YOU JOIN US AT YOUR OWN RISK.
SAFETY BRIEFING.
- Wear a helmet. Despite recent advances in medical science, brains still cannot be mended nor replaced.
- Wear gloves or mitts. Hands often hit the ground first. Cuts and grazes invite infection and a hospital visit.
- Wear eye protection, it only takes a twig or thorn to lose an eye. Crud catchers are a good idea in mucky weather.
- When downhilling, for your own protection, allow plenty of space behind the rider in front.
- Bring a bare minimum emergency tool kit and a spare inner tube.
- Breakdowns are a bore. Plan not to have any by ensuring your bike is in perfect working order.
- Punctures are also tedious. You can minimise them by fitting latex tubes, slime tubes or running tubeless tyres.
Photo: CAMMTB Winter 2022-23 rides have been posted up - please click on the Runs List link..
Hi Paul
I'll give it a go if you fancy getting to Brookside 20 minutes early tomorrow, Tuesday.
Is it just changing badly, or is it jumping or slipping? Is it only rear gears or front as well? Are the levers hard to use i.e. needing lots of pressure to operate? Is it noisy some or all of the time? How old is the chain and the rear cassette? How old are the gear cables? Can you change into all the gears (front and rear) or are you unable to get the chain onto biggest and/or smallest cogs?
Questions questions... 
Cheers
Dom