ST-R8170, Ultegra, Wireless Position:Front Features• Durable and quick-drying swim

Features• Durable and quick-drying swim brief with classic look• Arena MaxLife fabric: 100% chlorine resistant

Discover the whole arena Icons collection that ranges from athleisure to swimwear and accessories to complete your look

Better control and confidence in race conditions

Even with the filthiest road muck

ST-R8170, Ultegra, Wireless Position:Front Features• Durable and quick-drying swimShimano's new ULTEGRA ST R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO WAVE technology. The all new Di2 platform, used on both DURA ACE and ULTEGRA, untethers the shifters while delivering our fastest, most reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better. BENEFIT Clean Cockpit: Wireless connection enhances the aerodynamic effect and easy