Castelli Flanders Warm Neck Warmer Top Groupsets airtight tubeless seal across the

airtight tubeless seal across the spoke bed without excess tape climbing the sidewall or leaving unprotected edges at the rim channel

so the experience is ride-like rather than trainer-like

The RS is for competitive racers and serious riders who want exactly the same technology pros are running at the highest level of the sport

Reliable Shimano bearings and seals deliver the long service life Ultegra is known for

reducing fatigue over long touring days

Castelli Flanders Warm Neck Warmer Top Groupsets airtight tubeless seal across theWhy Do Cyclists Choose the Flanders Warm Neck Warmer Top? The Castelli Flanders Warm Neck Warmer Top is a specialized piece of cold weather kit that fills the gap between a standard jersey and a full thermal layer. Built with Flanders Warm fabric, it provides a wind blocking front bib panel and neck coverage that keeps cold air out at the two points where cyclists lose the most heat on descents and headwind stretches. The construction is minimal by