Description
If you’re pushing your bike to the limit on track or street, tire performance degrades as heat climbs—but the Bridgestone S21 maintains consistent grip through rising temperatures thanks to EMC (Enhanced Micro-contact-patch Compound) technology. You get measurably better dry grip and longer tire life without compromising wet weather performance, meaning you can trust this tire across varied conditions without compromise. Built for serious riders who demand both outright performance and reliability.
- Size: 180/55ZR17
- Load/Speed: 73W
- Speed Rating: 168+ mph
- EMC compound technology
- Front and rear shoulders
- 3D cross grooves
- Enhanced thermal stability
- Improved dry grip
- Extended wear life
- Wet performance maintained
- Tubeless (TL)
- Blackwall sidewall
- CNC-optimized contact patch






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