100 Percent RX Eyewear Insert - One Size Fits Most - Rx Eyewear Insert Suits Speedcraft S3 Heavy/Bulky ANT+ and Bluetooth compatible for

ANT+ and Bluetooth compatible for live tyre-pressure display while riding with most head units

not matter what the speed it can also be used on e-bikes as it is reversible

The Radia is 661's first foray into eyewear and delivers the same level of quality and exceptional value for money that they are known for: the Radia combines a lightweight chassis with a 40mm silicone backed strap and high-quality smoke mirror lens with anti-Fog and anti-Scratch treatments for perfect optical clarity

damping trail vibration and reducing the effects of big impacts

100 Percent RX Eyewear Insert - One Size Fits Most - Rx Eyewear Insert Suits Speedcraft S3 Heavy/Bulky ANT+ and Bluetooth compatible forClip in nylon frame adaptor designed to receive your specific prescription. TPE bumpers mitigate scratching of the sunglass lens and rattling during activities. Matte translucent finish to suppress glare and light refraction. Seamless integration with select 100% performance sunglasses with easy nose bridge installation. Geometrically enhanced fit with frame for expansive field of view. Comes with nose bridge, nose pads, height adjustment adaptor and