Lifeline prime armour road tyrelifeline's prime armour road tyre delivers a tyre which is packed with essential features like puncture protection, speed, and traction. Including speed focused properties of lifeline's prime race model with advanced puncture protection features like a kevlar breaker with full nylon reinforcement, this prime armour road tyre gives you peace of mind when tackling rough road surfaces.rolling resistance is kept to a minimum through the use of a slick centre tread whilst the tyre's shoulders benefit from a channelled pattern for enhanced grip in the corners and in wet conditions to disperse surface water from the centre channel. Traction is increased through the use of a 70a durometer compound, allowing you to tackle hairpins with ease.puncture protectionpunctures to the sidewall are extremely frustrating. This prime armour road tyre protects against this inconvenience by including a nylon reinforcement throughout the entire casing. Overall puncture protection is provided for via a kevlar breaker this light yet tough defender lurks quietly beneath the tyre's tread to guard against penetrating road debris.the 120 tpi casing helps reduce this tyre's overall weight to 285g whilst simultaneously increasing strength and flexibility. Lifeline's prime armour road tyre will tackle a road race or sportive comfortably.featuresmaterial 70a durometer rubber compound and reinforced nylonkevlar breaker for effective puncture protectionfull nylon reinforced casing for complete defensive coveragefast rolling slick treadchannelled shoulder tread for wet weather cornering tractiondurable70a durometer rubber compound for added traction and extended lifespanaramid folding bead for easy installationtpi 120weight 285gbuy lifeline wheels tyres from chain reaction cycles, the world's largest online bike store.