SRAM Red eTAP Blip Clamp Remote Shifter Mounts - 31.8mm Use to keep Blips in place on handlebars. Fits 31.8mm round portion of drop bar. Clamp mounts directly to bar outside of tape zone. Ideal for use with thumbs or index fingers while hands are on the tops. Right and left specific, just like Blips. Weight: 12 grams (for pair). Material: Polypropylene. Compatibility: 11-speed. Recommended Group: SRAM RED eTap.