SHIMANO Front Derailleur (ROAD) FD-A073 Band Type φ34.9mm (31.8/28.6mm adapter included) 3×7S Compatible Top Gear: 50T EFDA073X3Shimano part: EFDA073X3 Compatible speed outer gear: 3 Supported speed outer gear: 3 may look different from the actual product depending on the type of display etc. Please also note that the specifications and logo designs of the listed products may be subject to change due to improvements. Product model number: FDA073BSML Color: Black Size: 3x7S Material: Aluminum Battery included or built in: No Product size : 20 x 25 x 30 cm; 220 g