Zoom Q-2 22.2mm (1" fork) to 28.6mm (1-1/8" threadless stem) Apparel_Baselayer The Supernova Sunglasses are specifically

The Supernova Sunglasses are specifically designed to be high performance

Whether you're exploring remote gravel roads

Compatible with both Presta and Schrader Valves

rotors and adaptors sold separately

Brake Caliper Mount: Flat Mount

Zoom Q-2 22.2mm (1" fork) to 28.6mm (1-1/8" threadless stem) Apparel_Baselayer The Supernova Sunglasses are specificallyZoom Q 2 & Q 5 are cold forged and allow a 23mm height adjustment. Cold forged aluminum, 23mm height adjustment Steerer Clamp OD 25. 4mm, for 1", 28. 6mm for 1 1 8" For installing threadless stems on a threaded fork Quill Insertion Diameter: 25. 4mm for 1 1 8" stems and 22. 2 for 1" stems