Maxxis Aspen ST 29x2.25" F170 EX0/TR MaxxSpeed Silic CheckoutTitle=Topeak Road Morph G Pump - with Gauge allowing a 1X set up

allowing a 1X set up on most any drivetrain (works with SRAM 12sp

The RC5 offers a generous fit while keeping warmth

Anti-twist spoke holes - straight-pull only

It lasts even longer with the Infinite Light Power pack+

Maxxis Aspen ST 29x2.25" F170 EX0/TR MaxxSpeed Silic CheckoutTitle=Topeak Road Morph G Pump - with Gauge allowing a 1X set upMaxxis Aspen ST Tire 29 x 2. 25 Tubeless Folding Black MaxxSpeed EXO 170tpi. The Aspen ST is an ultra low profile race tire designed primarily for short track XC use. Sometimes referred to as the Fastpen this tire is sure to give any racer an edge in dry conditions. Aspen ST tires are intended first and foremost for racing in suitable conditions TECH SPECS Flat Protection SidewallTPI 170Color BlackWeight 610Defined Color BlackISO Width (mm) 57ISO