scifi Report post Posted September 29, 2019 Hi all, just wondering if anyone knows if speedway bikes still use 350x19 trials tyres, and if they do, where do they get them. I think that some of the older trials bike conversions, such as Bantam Trials bikes, would only take a 350 tyre, without extensive widening modifications to the rear suspension. Quote Share this post Link to post Share on other sites
ChrisCH Report post Posted September 29, 2019 No idea about speedway but the dealers near us do classic trials stuff and have that size tyre. It's available online if you want one. https://www.feked.com/ensign-19-rear-trials-tyre-350x19-100-100-19.html Quote Share this post Link to post Share on other sites
hillary Report post Posted September 30, 2019 Speedway use speedway tyres, not trials tyres and all trials tyres these days are 18inch. Quote Share this post Link to post Share on other sites
suzuki250 Report post Posted September 30, 2019 If you put a 19" trials tyre on a bantam you would need to extend the swing-arm, and that's all that's needed to fit a proper trials tyre Quote Share this post Link to post Share on other sites
faussy Report post Posted September 30, 2019 Speedway use 3.75x19. You could use one at a pinch for maybe a display bike or just arsing about. If you want to be competitive, you will have to accommodate a 4 inch Quote Share this post Link to post Share on other sites
rick1962uk Report post Posted October 1, 2019 i use to race speedway and the tread is very low and large squares they are now designed not to grip i can get loads free but would be us for a trials bike Quote Share this post Link to post Share on other sites
djr Report post Posted October 2, 2019 As has been said , the tread on todays speedway tyres is very shallow { even when new } and although the tread pattern may look like a trials type there are probably differences in sidewall & plies etc. Quote Share this post Link to post Share on other sites
v1nn1e Report post Posted October 14, 2019 On 9/30/2019 at 7:17 AM, hillary said: Speedway use speedway tyres, not trials tyres and all trials tyres these days are 18inch. Except when they are 21" Quote Share this post Link to post Share on other sites