Ontrack Ultra Light Race Tube Road Size:48mm This well-rounded race bike blends

This well-rounded race bike blends industry-leading composite frame engineering with fully integrated components to help you climb

vibrations are reduced so you can have a better feel of your bars

CNC machined aluminum dispenser with brass internals

apart from Gum which is a harder but longer lasting 25A

Ontrack Ultra Light Race Tube Road Size:48mm This well-rounded race bike blends35gram French Valve Road tube 700 x 18 28c The Ontrack bike inner tube provides all the benefits of TPU (Thermoplastic Polyurethane) superior puncture resistance, a low weight, and compact size TPU is a lightweight material, making TPU inner tubes lighter than their rubber counterparts. This reduces rotational weight and contributes to a more responsive and agile riding experience. TPU inner tubes have excellent air retention properties. They minimize