Volume, speed, and consistency that keeps riders grinning for more turns. From singletrack to the CX circuit, the Cross Boss is here to bring it.Features:- Tightly spaced center knobs minimize rolling resistance.- Stepped intermediate knobs and widely spaced outer knobs help clear muck.- Rounded, high-volume profile designed from the ground-up for tubeless usage.- Available with black or tan sidewalls.Specifications:- Usage: Cyclocross- Conditions: Dry to Damp / Hardpack to Loam- Wheel Size: 700c - Width: 35c - Level: TCS Light/Fast Rolling- Weight: 400 g - Compound: Dual DNA- ETRTO Compatible Inner Rim Width: 17c-21c - Tire size designation: 35-622Technology:About TSC:- WTB's proprietary sealant tubeless system, TCS (Tubeless Compatible System,) revolutionized rims and tires in 2009 when combining ETRTO, ISO, and UST standards with light tubeless rotational weights. Never before had a standards-based tubeless system weighed so little. Certified as the first sealant-based tires for the UST system in 2012 by Mavic, TCS continues to push the boundaries of what's possible through purpose-built tires and rims tailor-made for every discipline of cycling. Learn more about what's possible at wtb.com/tcsTCS light fast rolling (LFR):- A fast and efficient centerline tread compound matched to sticky, low durometer side knobs coat a supple, gram-conscious casing designed to be compliant while still trail worthy. DUAL DNA Rubber Compound:- Dual DNA is the perfect mix of efficiency, traction and durability. The centerline tread features a firmer rubber compound that boasts faster rolling and increased durability, while the side knobs are composed of softer, slower-rebounding rubber that improves control and grip.