Product Description Long frame bolt for the Rohloff chain tensioner, chain tensioner-10 and DH Shorty. Required for dropout thickness less than 7 mm and use of the 13-tooth bolt-on sprocket as well as all bolt-on sprockets (chainline 57 mm). The lateral position is adjusted via spacers. With the spacers, distance dimensions from 1 mm to 6 mm can be assembled. Manufacturer Number:8257 Contents:1 x Rohloff chain tensioner mounting bolt, long3 x spacers, 1 mm1 x spacer, 3 mm Manufacturer: Rohloff AG Mönchswiese 11 34233 Fuldatal Germany service@rohloff.de