SHIMANO#ad - Drivetrain Speeds: 12. Double. Front derailleur Clamp: Braze-on. Combining shimano's di2 platform and the road incarnation of Hyperglide+, the Ultegra FD-R8150 front derailleur shifts between chainrings with the fast and seamless action.
Front der/shifter Compatibility: Shimano Road Di2. 61-66 degree chainstay angle. Frontal area is smaller than previous designs to reduce aerodynamic drag. Top gear teeth capacity: 50-54t. Small, sleek and lightweight front derailleur. Includes 1 SD300 port.
CYSKY#ad - Total capacity: 16T. Compatible crankset: Two piece type. Center line of chain: 43. 5mm. Clip ring type road bicycle derailleur suitable for 31. 8/34. 9mm diameter mouting, aluminum alloy construction. Gearing: 46 - 52T top gear.
ANER#ad - Great material made of hard steel, durable and not esaily broken, rust proof, and easy to install. Wide range of usesuitable for BMX bikes, cruisers, folding bikes, mountain bikes, electric bikes, hybrid, etc. Durablecan reduces the chance of damage to the lower fork after collision and abrasion of chain.
Special designfeatures stable front variable speed performance and narrow antiskid plate design. Variable speed performance and narrow antiskid plate design. Easy to uselight operation and smooth shifting, multi clamp band quick assembly.