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

52mm Q-factor

1/2” square drive adapter

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

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