Apico front sprockets are precision engineered from high grade steel. These are a cost effective option when compared to OEM sprockets and are compatible across a range of motocross, enduro and trials bikes. APICO FRONT SPROCKET SUZUKI RM80 82-01 RM85 02-25 YAMAHA YZ80 85-01 E-MOTION ELECTRIC TRIAL EM SPORT 19- E-PURE LITE 20- EM5.7 SPORT 14-18 Washers are required for spacing out on some E-Motion models.