RACE: High-tack, slow rebound side knobs with better wearing, faster rolling center knobs.
TRS RACE: Single Ply 72tpi w/Aramid + Nylon Breaker
TRS PLUS: Single Ply 72tpi
Aramid reinforcement on Race models better protects against punctures, and increases air retention.
TRS RACE: 950g, 985g
TRS PLUS: 930g, 970g
Guaranteed to be free from defects in materials or workmanship for 5 years after original purchase