Engineered for elite-level cyclocross performance, delivering tenacious grip and control in soft, muddy, and loose conditions.

The TUFO Tubular Flexus Primus SG in Black (33mm) is a specialized cyclocross tire meticulously designed for racers who excel when conditions get truly challenging. The “SG” (Soft Ground) designation highlights its aggressive, open tread pattern, optimized for digging into mud, sand, and loose dirt, providing exceptional traction and self-cleaning capabilities. This hand-made tubular tire ensures a supremely supple ride quality, allowing the tire to conform to terrain irregularities for maximum contact and control. Its robust construction offers reliable puncture protection, making the Flexus Primus SG the definitive choice for conquering the sloppiest cyclocross courses with unwavering confidence and speed.

• Aggressive, open tread pattern specifically designed for soft ground, mud, and loose conditions.
• 33mm width, adhering to UCI regulations for cyclocross racing.
• Tubular construction provides a supremely supple ride, enhanced grip, and inherent flat protection.
• Excellent self-cleaning properties to maintain traction in muddy conditions.
• Ideal for competitive cyclocross racing on challenging, soft terrain.