Knog Blinder Light Grid Pattern Front Black MFPN=570 R8 front derailleurs are optimized

R8 front derailleurs are optimized for 7 and 8 speed chains and Shimano compatible road shifters

Thanks to a drive side chain stay utilizing a machined alloy beam behind the chain rings we’ve created clearance without using a fragile dropped chain stay design or increasing chain stay length

} Provides a variety of crank options for T47 frames

Tool-free slack adjustment

Knog Blinder Light Grid Pattern Front Black MFPN=570 R8 front derailleurs are optimizedChip On Board (COB) technology produces a punchy 200 lumens 4 designs to choose from for adding personality to you ride Visible from up to 1500 ft away USB rechargeable Integrated USB A connector for cable free charging Waterproof with IP67 rating 8 light mode settings Up to 60 hr runtime in Eco Flash mode Up to 2. 5 hr runtime in High Steady mode Model Blinder Grid Front Lumens 200 Modes 8 Rechargeable Yes Color Black Weight 34g