e*thirteen Optimus Tyre - 27.5" - Black Compound:Endurance Length options: 155

Length options: 155

contouring perfectly to your body for both comfort and thermal performance

Spring regulated air flow

With aluminium carriers

the Dura-Ace R9150 levers offer better control and confidence in race conditions

e*thirteen Optimus Tyre - 27.5" - Black Compound:Endurance Length options: 155The Optimus 2. 4" is designed to deliver confidence inspiring trail traction with lower roll resistance at XC Down Country weights. The 2. 4'' high volume design promises the comfort of burlier trail tires and the same ability to run lower air pressures, but a tread and casing configuration that targets maximum rolling efficiency. The Optimus features e*thirteen's Endurance compound, with a firm base layer and center knobs, and softer medium tack