RENTHAL REAR SPROCKET MX ULTRALIGHT GROOVED BLK 49T (150U-520-49GBBK) Primary Covers Prevents ECU trouble/fault codes caused

Prevents ECU trouble/fault codes caused by non-stock wheel diameters

contrasting bound neckline

while the back reveals a studded textured design for double the attitude

If the compensator has been upgraded on these models they will use a rotor without the spring cup

RENTHAL REAR SPROCKET MX ULTRALIGHT GROOVED BLK 49T (150U-520-49GBBK) Primary Covers Prevents ECU trouble/fault codes causedUltralight Rear Chainwheels Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer. With Renthal's combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface