Wtb scraper i40 plus mtb rimthe new wtb scraper i40 plus mtb rim delivers legendary tubeless technology to the plus sized market why have a 28 inch tyre if you cant experience a lovely tubeless ride the scraper rim features a tcs inner rim profile 4d angled drilling and a light but stiff wt69 alloy all whilst still allowing for popular and readily available j bend spokes experience tcs euphoria with the scraper rim and understand what this plus sized grinning is all about features mate