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Cycle Doc

Your cycling problems solved by our expert rider

Q. I wear a high-visibility vest over my coat at this time of year, but it often means that I end up feeling uncomfortable and restricted. What are the alternatives?

SA, Milton Keynes

A. A Sam-Browne-style belt that goes over your shoulder and around your waist is one possibility - prices start from about £13, and they can be found in most bicycle shops. You might team this up with some flashing bands to go around your ankles. The Wowow reflective band with flashing LED, for example, can last for several months of riding on a single replaceable battery and costs about £7.

Q. My sons of 11 and 13 both want new bicycles. They seem genuinely keen to do a bit of cycle touring. Are there any bikes that you would recommend?

ML, Ipswich

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A. It is surprisingly difficult to buy decent children's bicycles. Many are big on looks, but spectacularly heavy, or are built with poor-quality components. By the age of 10 most boys can ride bikes with 26in wheels. Raleigh's Zero G range, for example, starts at about £200.

The best young people's bikes are made by Islabikes (islabikes.com). At £449, its Luath 700 would give your eldest son the option to race or tour. The company makes other models for smaller children - and although the prices are high, if they are well looked after, they have good second-hand values.

Q. How can I prevent my brakes from squealing?

TE, Perthshire

A. "Toeing in" the brake pads so they are set at a slight angle to the rims can help. Set the front of the pad about 2mm closer to the wheel rim than the back. Sanding the surface of new brake pads also sometimes helps.

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Need some bike advice? Email cycledoc@sunday-times.co.uk