Industry Nine iRiX Upper Specialized IS42/28.6 Blue 5mm Tire Width-1.75-2.125 Tracker3+ has a new software

Tracker3+ has a new software version because there’s some new hardware on the circuit board from new suppliers

Tanpan 11 allows you to use an 11 speed road shifter with an 11 speed mountain derailleur

Tread design engineered to deliver unparalleled speed and control on the trails

while the binding's low profile gives you optimal control in the track

color:white

Industry Nine iRiX Upper Specialized IS42/28.6 Blue 5mm Tire Width-1.75-2.125 Tracker3+ has a new softwareCustomize and upgrade your cockpit with iRiX options Made exclusively for Specialized frames with molded in internal bearing cups. Frame 42mm ID with 6. 5mm depth to where the 45 degree taper begins Upper assemblies include star nut and top cover Top cover employ removable and replaceable silicone lip seals to keep the sealed, 440c stainless steel bearings contaminant free Compatible models: aluminum mountain bikes (except pre 2017 Chisel HT