BRIDGESTONE have developed a non-pneumatic concept car tyre that may enter production.The airless tyre uses a structure of spokes stretching along the insides of the tyres, supporting the weight of the vehicle. The concept has been in development

Not sure about the bike yet, but I'd have them on the 4x4. Could be very handy in that regard. If they can make them work for bikes then great, I suspect at the moment, the main push is for cars. This was shown in December, http://www.gizmag.com/bridgestone-airless

are developing airless tyres, although I think their's use composites and look fairly solid. Not quite like the obvious springs in those ones...from what I can tell they're intended purely for durability rather than any other performance advantage.They're not all

the master cylinder is A -OK? Post this in workshop. Leave the top of the master cylinder unsealed, tape the brake lever back to the bar, go to bed.Wake up with airless brakes.ok, so it doesn't work every time, but it's surprising how often it does. mr red

The track guys had obviously done this before, the dirt, which was like the deepest loam youd ever seen was now rolled flat & watered & was just about perfect, so any tyre worries i'd got about running slicks had gone. As usual for the USA, most