Product Description The Direct Mount Adapter from Problem Solvers allows you to mount a Direct Mount front derailleur on frames with BSA68/73 or 100 mm bottom bracket shell width, which do not have a Direct Mount. Technical Information:Material:aluminium (6061)Type:folding clampCompatibility:frames without direct mount (D-type); seat tubes with a diameter of 34.9 mm (with shim also 31.8 mm)Models:BSA 68/73: Application: MTBCompatibility: 2x, 3xBottom Bracket Shell Width: BSA 68/73Offset: 26 mmClamp Diameter: 31.8 mm / 34.9 mmManufacturer Number: FS1323 BSA 68/73 - wide BB: Application: MTBCompatibility: 2x, 3xBottom Bracket Shell Width: BSA 68/73Offset: 26 mmClamp Diameter: 28.6 mmManufacturer Number: FS1326 BSA 68/73 - Boost: Application: MTBCompatibility: 2-speedBottom Bracket Shell Width: BSA 68/73Clamp Diameter: 28.6 mm / 31.8 mm / 34.9 mmManufacturer Number: FS1328 BSA 100 (39.5 mm offset): Application: MTBCompatibility: 3-speedBottom Bracket Shell Width: BSA 100Offset: 39.5 mmClamp Diameter: 31.8 mm / 34.9 mmManufacturer Number: FS1322 BSA 100 (43.5 mm offset): Application: MTBCompatibility: 2-speedBottom Bracket Shell Width: BSA 100Offset: 43.5 mmClamp Diameter: 31.8 mm / 34.9 mmManufacturer Number: FS1327 Surly Moonlander: Application: MTBCompatibility: Surly MoonlanderBottom Bracket Shell Width: Moonlander specificClamp Diameter: 31.8 mm / 34.9 mmManufacturer Number: FS1325Models:BSA 68/73: Application: MTBCompatibility: 2x, 3xBottom Bracket Shell Width: BSA 68/73Offset: 26 mmClamp Diameter: 31.8 mm / 34.9 mmManufacturer Number: FS1323Contents:Version BSA 68/73: 1 x 1 x Shim 34.9 mm to 31.8 mm Version BSA 68/73 - –wide BB: 1 x Version BSA Boost: 1 x 1 x Shim 34.9 mm to 31.8 mm1 x Shim 31.8 mm to 28.6 mm BSA 100 (39.5 mm offset) / Surly Moonlander: 1 x 1 x Shim 34.9 mm to 31.8 mm Manufacturer: Problem Solvers 6400 W 105th St. Bloomington MN 55438 USA info@problemsolversbike.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de