Plews Tyres EN1 Grand Prix B-Spec E-Marked Enduro Rear Tyre - Plews Tyres Enduro Tyres

Introducing the EN1 Grand Prix Spec B, the all-new 2026 high-tread evolution of our Grand Prix enduro platform developed in response to rider demand for more traction, more versatility, and zero compromise when FIM and ACU regulations don’t apply.

Launched in 2022, Plews Tyres was built with a clear mission: to develop tyres that don’t just compete - they dominate. We didn’t come to join the market - we came to lead it. Every tyre we produce is designed to win races and championships at the highest level - and we’ve got the results to prove it.

Homologation: ECE / D.O.T / ACU & FIM Compatible Unleash Your Enduro Potential with EN1 Grand Prix!

Built using Plews Tyres’ latest softer wet grip compound and next-generation UK-designed carcass construction by Technical Director Ashley Vowles, the Spec B delivers exceptional traction, control, and confidence across the widest possible range of riding conditions.

With an increased 15mm tread depth compared to the 13mm race-restricted FIM version the EN1 Grand Prix Spec B offers significantly enhanced bite in mud, soft terrain, rocks, roots, and extreme conditions. This is the world’s first FIM style 140 / 80 - 18 enduro pattern engineered with higher tread depth something riders have been asking for, for years. Now delivered.

EN1 Grand Prix B-Spec key features:

• All New 2026 Soft Performance Compound Purpose-built for superior wet grip, cold condition traction, and all-around performance while maintaining excellent durability.

• Next Generation UK Designed Carcass Optimised for improved footprint stability, rider feedback, impact absorption, and traction under aggressive riding loads.

• 15mm High Traction Tread Depth Delivers increased grip in soft, technical, and extreme terrain, perfect for riders who want maximum performance beyond race restrictions.

• Ultimate Versatility - Fully Road Legal Unlike extreme enduro tyres, the EN1 Grand Prix Spec B is fully ECE road approved, making it ideal for:
  Enduro riding, Green laning, Play riding, Hard enduro training & racing, Technical trail riding - Not ACU or FIM Time Card Legal, Designed specifically for riders who are not restricted by the 13mm FIM tread depth regulation.

• Tread Design and Tyre Geometry: Engineered for maximum grip and comfort, the EN1 pattern features a meticulously crafted tread design aimed at reducing chipping, chunking, and premature block tearing, ensuring durability and longevity while maintaining optimal performance.

• CCRC Technology: Our Compound Chipping and Chunking Resistant (CCRC) technology is a compound design philosophy aimed at minimising chipping and chunking, ensuring durability and longevity while maintaining optimal performance.

• CCT Technology: Our Chipping and Chunking Tread (CCT) technology is a specialised tread design approach aimed at reducing chipping and chunking. With this innovative technology, the EN1 tyre delivers exceptional traction and control across various terrains, providing you with the competitive edge you need to outperform the competition.

#MadetoWin

Join the elite ranks of riders who demand nothing but the best. Elevate your performance with Plews Tyres - where innovation meets victory.