Kit de Lant Did YAMAHA R1

Ride with the same chain as the World Champion -D.I.D 520ERV3. The front sprocket always has two teeth more than the original for improved acceleration. The chain sets are open, and a suitable rivet-type connecting link is included.
Exclusive racing chain, used as standard on racing bikes
Extremely low friction and consequently less performance loss.
Increased tensile and fatigue strength, extremely smooth-running.
The D.I.D ERV3 is designed specifically for professional motorsport and offers has a far higher performance spec.
The following riders used the DID520ERV3 in the 2008 season: Valentino Rossi, Jorge Lorenzo, James Toseland, Andrea Dovizioso, Colin Edwards

Technical data:
DID520ERV3
Pin length: 18.6 mm
Plate thickness: 2.0 mm inner and outer
Weight: 1.5 kg/100 links
Tensile strength: 38.5 KN
Sealing ring: X-ring