Weight: 4166 g can feel heavy if you have limited space or weight restrictions on your vehicle

This combination of materials gives both High performance and one Sporty design

5 Number of Holes: 6

The innovative respiir+ ventilation system at the main chain chain ensures proper air circulation

It fits both 1 inch (25

MOTO-MASTER REAR SPROCKET 520 49T BL 620073449 derbi-boulevard-125-125-2008-esi2901006 Weight: 4166 g can feelSpecial hardened and nickel coated steel outer ring, Will outlast an aluminium sprocket up to 3 times, 50% less weight compared to a normal steel sprocket, Aircraft grade 7075 T6 aluminium carrier, Precise manufactured outer ring and carrier interlock permanently using a specialized heat shrink procedure, Carrier is colour anodized coated for extra durability, CAD designed, CNC machined and laser cut using state of the art technology, Engineered and