The Newton MTR (Mountain Rear) from Goodyear is part of Goodyear s ultimate tyre package developed for gravity riding & racing.Rear specific, triple density 40/50/60a compound, offering balanced levels of grip and treadwearA dual-ply, robust 60TPI construction, the 2x60TPI casing combines no-compromise durability, while retaining traction and support over the most rugged terrainDownhill specific butyl sidewall layer providing the highest level of sidewall support and protectionGoodyear Bicycle Tyres proprietary design that features all the benefits of a Tubeless Ready (TLR) tyre but will also better maintain inflation pressure than a traditional TLR tyreA tyre that is at its best bringing up the rear while sprinting out the start hut of your race run, as you attack those loose off camber sections, hold the line on rocky chutes and pinballing down rock sections. The tyre, that small contact patch that connects you to the ground, is arguably the most important part of your bike. When you