20 Tooth Jackshaft Sprocket 17MM Bore 420 Chain CT200U(EX) MB200

Product Description
Front Sprocket 420 Chain 20 Tooth Baja Heat, Warrior, MB200, BT200X, CT200U and CT200U-EX Mini Bikes
Sprocket details:
Used with mini bikes with the last six digits of the VIN ending in 000000-037961
Large chain sprocket
20 Teeth
ID 17mm [.66″]
OD 86mm [3.38″]
Uses 5x5x28MM key Not included
23572B
Be sure to measure your chain or current sprocket before ordering. 420 chain has 1/2″ pitch and 5/16″ roller diameter. Most Chinese sprockets have the chain size and teeth count stamped into the metal.