Source google image: http://www.vrvbike.com/shop/media/catalog/product/cache/2/image/9df78eab33525d08d6e5fb8d27136e95/x/t/xtx_cintre_carbone_releve_258_vrvbike_4e3.jpg
Cintre 25.4
Source google image: http://www.vrvbike.com/shop/media/catalog/product/cache/2/image/9df78eab33525d08d6e5fb8d27136e95/x/t/xtx_cintre_carbone_releve_258_vrvbike_4e3.jpg