THE RALEIGH TWENTY

Your ever-expanding web resource for the Raleigh Twenty
and other classic small-wheel bicycles.

Wheel building with Dave

Valve hole

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Valve hole
Fold the rim tape and cut a diamond to provide generous clearance for the valve before applying the tape. Also, use a bit more contact adhesive to seal down the overlap when you finish. Good practice when fitting inner tubes is to use plenty of talcum powder. Not only will this neutralise any adhesive over-spill, but it will remove the stickiness from the rubber. This will make the tube easier to handle, and will allow it to move independently of the inside of the tyre, reducing stress during inflation and aiding suppleness when riding. The best racing inner tubes are supplied "pre-talced" for these reasons.
Posted by davepalk on May 10, 2018 Full Size|

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1 Comment

Reply John Morrissey
11:37 AM on December 28, 2018 
A very interesting article Dave, very informative. There is a lot to take into consideration when building and as you say ideally one should do a lot of them to get good at it.
John.