Use a 1-1/8" threadless stem on a 1" threaded steerer with the Nitto CRC-8 quill stem to threadless adapter. The beautifully machined bolt cap keeps out the elements while the precisely knurled clamp area provides a secure spot for the threadless stem. Truly one of the nicest quill adapters ever made.<br /><br /><strong>Specifications</strong><ul><li>Quill diameter: 22.2mm - fits 1" threaded steerer</li><li>Quill length: 130mm</li><li>From minimum insertion: 65mm</li><li>Knurled clamp area length: 40mm</li><li>Threadless clamp diameter: 28.6mm - fits 1-1/8" threadless stem</li><li>Weight: 205g</li></ul><br /><strong>Construction</strong><ul><li>Aluminum</li><li>Color: silver, anodized</li><li>Made in Japan</li></ul><br /><em>Read more </em><a href="http://www16.ocn.ne.jp/~nitto210/stem-E.html" target="_blank"><em>here</em></a><em>(mfg website -opens in new window)</em>