ALPINESTARS Supertech M8/M10 Crown Pad - Black - XL 898231910XL CR-6 Drystar Riding Shoes This breakthrough system replaces your

This breakthrough system replaces your inadequate stock O2 sensor with a proprietary FTECU lambda controller and the latest generation Bosch LSU 4

savings)DB at Idle 91 DB at 5000rpm 109 DBFitment: 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)

70% Cotton/30% Polyester

New TPU shifter for increased protection on lower medial side

2004-2009 Honda CRF250R - - 2004-2008 Honda CRF450R - - 2004-2007 Honda CR125R - - 2004-2007 Honda CR250R - -

ALPINESTARS Supertech M8/M10 Crown Pad - Black - XL 898231910XL CR-6 Drystar Riding Shoes This breakthrough system replaces yourReplacement crown pad for Alpinestars Supertech M10 and Supertech M8 helmets