ALPINESTARS Supertech R Boots - Black/White - US 9.5 / EU 44 2220021-12-44 Saddlebag Protectors and Supports for Kawasaki 2014-2020 Yamaha YZ 250 F

2014-2020 Yamaha YZ 250 F - - 2010-2020 Yamaha YZ 450 F

1 Active Tuner Style Lambda sensors comes standard (OEM dual sensor mounts up front are eliminated for a smoother flowing exhaust

A class-leading

Fitment: Yamaha R1 R1M R1S 2015-2023 (Note 2020 + R1 riders can call in the orders to have front 02 sensors added for an extra charge if your tuning cannot remove the 02 sensors)

Constructed from a precise mix of materials combining stretch polyester material

ALPINESTARS Supertech R Boots - Black/White - US 9.5 / EU 44 2220021-12-44 Saddlebag Protectors and Supports for Kawasaki 2014-2020 Yamaha YZ 250 FAdvanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility Front flex area is constructed with a soft microfiber for improve abrasion resistance and natural forwards and backwards movement TPU for breathability and airflow Flexible accordion microfiber on Achilles gives enhanced natural movement Strategically positioned ventilation area in heel and shin Outside entry exit has stretchable