e*thirteen Optimus Tyre - 29" - Black Casing:XC Chainring interface is 4-bolt (110

Chainring interface is 4-bolt (110 BCD)

2mm and 31

Model ID : AC-FEN-MTB-A1

SpecificationsDisc: 6-bolt | 140mm

Bottom Bracket Shell Width: 73mm

e*thirteen Optimus Tyre - 29" - Black Casing:XC Chainring interface is 4-bolt (110The 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