Motorcycle and ATV Gearing Guide

Best Dirt Bike Sprockets on April 2024 Shopping Deals at Bestonio.com

  • Oumers 6pcs Bike Bicycle Clean Brush Kit/Cleaning Tools for Bike Chain/Crank/Tire/Sprocket Cycling Corner Stain Dirt Clean, Fit All Bike

    • UPC: 840586113349
    • ASIN: B073RDZ5JP
    • Brand: Oumers
    • Manufacturer: Oumers

    Why Oumers: Oumers INC. mainly engaged in the development and export of products with high quality, stylish design. Oumers has always adhered to " High quality products , good customer experience" business purposes. Committed to providing you with high-quality products and quality services. Features: A Dirty Bike Assembly Parts Cause Poor Shifti... [Read More]

  • HIAORS 420 18T 20mm Motorcycle Front Engine Sprocket for 50cc 70cc 110cc 125cc 140cc 160cc Honda TaoTao Roketa Coolster Sunl Lifan Chinese ATV Quad Dirt Bike

    • ASIN: B07Q7QYG1H
    • Brand: HIAORS
    • Manufacturer: HIAORS

    HIAORS 420 18T 20mm Motorcycle Front Engine Sprocket for 50cc 70cc 110cc 125cc 140cc 160cc Honda TaoTao Roketa Coolster Sunl Lifan Chinese ATV Quad Dirt Bike

  • JRL 1 420 12T 17mm Front Engine Sprocket For 125 140 150 160cc Lifan Loncin Dirt Bike

    • ASIN: B01MS4W5L7
    • Brand: JRL
    • Size: 12T 17mm
    • Manufacturer: JRL

    DescriptionFor Most Engines Such As Lifan Loncin Jialing Zongshen Etc. And Most Chinese Made 50cc 70cc 90cc 110cc 125cc 140cc 150cc Pit Dirt bikes / ATV(Brand As SUNL JCL ROKETA KingRoad SSR SDG Etc).Package includes: 1 * Engine Sprocker With Bolts And MountsSpecification: 420 12 Tooth 17mm Inner Diameter.

  • Engine Chain Sprocket 420 14 Teeth for 50cc 90cc 110cc 125cc Chinese ATV Dirt Bike Quad TaoTao Roketa Sunl

    • ASIN: B010SJQMIQ
    • Brand: Kids ATV Parts
    • Manufacturer: Kids ATV Parts

    This is a brand new front chain sprocket Fit models: most 50cc 90cc 110cc 125cc Chinese ATVs, dirt bikes, and quads This sprocket has 14 teeth and is compatible with the 420 chain only #420 chain used on ATVs usually with a 7 inch rear wheel or smaller.  All of the Chinese ATV brands such as TaoTao, Buyang, Coolsport, Kazuma, Sunl, ROKETA, AIM-EX... [Read More]

  • JCMOTO 420 Chain 41 Teeth Rear Sprocket 50cc 70cc 110cc 125cc SSR Dirt Bike

    • UPC: 603149703612
    • ASIN: B01MCS0JN0
    • Brand: JCMOTO
    • Manufacturer: JCMOTO

    41T Rear Sprocket Cog for 420 Chain Fit 110cc 125cc 140cc PIT PRO PIT Bike Trail Bike Dirt Bike Thumpstar FIT : 420 Chain Diameter of Sprocket / Cog :around 17cm (170mm) Diameter of Centre Hole : around 7.6cm (76mm) Distance Between Mount Hole(centre to centre) : around 6.5cm (65mm) Tooth : 41 T Quantity: 1

  • JCMOTO 420 58mm 37 Tooth Rear Chain Sprocket Chinese Pit Dirt Bike 110cc 125cc 150cc

    • UPC: 603149700857
    • ASIN: B01HSP5RMK
    • Brand: JCMOTO
    • Manufacturer: JCMOTO

    37T Rear Sprocket Cog for 420 Chain Fit 110cc 125cc 140cc PIT PRO PIT Bike Trail Bike Dirt Bike Thumpstar SPECIFICATION FIT : 420 Chain Measurement as picture shows Tooth : 37 T Quantity: 1

  • Rear Engine Chain Sprocket 420 37 Teeth for 50cc 90cc 110cc 125cc Chinese ATV Dirt Bike Quad TaoTao Roketa Sunl (Gold)

    • ASIN: B0175TSH9O
    • Brand: Kids ATV Parts
    • Manufacturer: Kids ATV Parts

    This is a brand new rear chain sprocket Color: gold Fit Models: most 50cc 90cc 110cc 125cc Chinese ATVs, dirt bikes, and quads This sprocket has 37 teeth and is compatible with the 420 chain only #420 chain used on ATVs usually with a 7 inch rear wheel or smaller.  All of the Chinese ATV brands, such as TaoTao, Buyang, Coolsport, Kazuma, Sunl, RO... [Read More]

  • PRO CAKEN 530 13T Front Sprocket with Retainer Plate for Dirt Pit Bike ATV Go-kart

    • UPC: 605621114879
    • ASIN: B07GFGM88W
    • Brand: PRO CAKEN
    • Manufacturer: DirtBikeClub

    13 teeth steel front sprocket fit 530 pitch chains. Features: Made from #45 chromoly steel alloy,a kind of hard material. Meeting and exceeding OEM standards with heating treatment and finish maching. More durable than mild steel or surface-hardened sprocket. Measurements: Compatible Chain Pitch: 530 Tooth Numbers:13 teeth Fitment:Fits 20mm diamet... [Read More]

  • HIAORS 420 14T 17mm Motorcycle Front Engine Sprocket for 50cc 70cc 110cc 125cc 140cc 160cc Honda HONDA Z50 CT70 Speed Mini Bike TaoTao Roketa Coolster Sunl Lifan Chinese ATV Quad Dirt Bike

    • ASIN: B07Q4JB7LX
    • Brand: HIAORS
    • Manufacturer: HIAORS

    HIAORS 420 14T 17mm Motorcycle Front Engine Sprocket for 50cc 70cc 110cc 125cc 140cc 160cc Honda HONDA Z50 CT70 Speed Mini Bike TaoTao Roketa Coolster Sunl Lifan Chinese ATV Quad Dirt Bike

  • TC-Motor 428 76mm 35T Rear Sprocket For Chinese 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc 170cc 190cc Pit Dirt Motor Bike

    • UPC: 613792497974
    • ASIN: B07JGC6MPK
    • Brand: TC-Motor
    • Manufacturer: TC-Motor

  • Wingsmoto Sprocket Front 420-16T 17mm Motorcycle ATV Dirtbike

    • UPC: 712265984437
    • ASIN: B010UQIMNK
    • Brand: Wingsmoto
    • Manufacturer: Wingsmoto

    420 16 tooth counter sprocket for many Chinese pit bikes and Atvs like 50cc, 70cc, 110cc, 125cc, 140cc and 160cc. Bikes like SDG, SSR, Pitster Pro, Taotao, BBR, OMG, Baja. For motors like Lifan, Lcocin, YX, Jialing Specifications: Fit Shaft: 17mm Eye to eye center distance: 30mm Tooth Number: 16 teeth Fit Chain Size: 420 chain Material: Steel with ... [Read More]

  • HIAORS 420 14T 20mm Motorcycle Front Engine Sprocket for 50cc 70cc 110cc 125cc 140cc 160cc Honda TaoTao Roketa Coolster Sunl Lifan Chinese ATV Quad Dirt Bike

    • ASIN: B07Q3L5ZX1
    • Brand: HIAORS
    • Manufacturer: HIAORS

    420 14T 20mm Motorcycle Front Engine Sprocket for 50cc 70cc 110cc 125cc 140cc 160cc Honda TaoTao Roketa Coolster Sunl Lifan Chinese ATV Quad Dirt Bike

  • WPHMOTO 58mm 37 Teeth 420 Chain Sprocket for Chinese Pit Dirt Bike 110cc 125cc 150cc

    • UPC: 190835652090
    • ASIN: B078GP4BHH
    • Brand: WPHMOTO
    • Manufacturer: WPHMOTO

    37 TOOTH 420 CHAIN SPROCKETSuitable for ATVs,  gokarts and dirt bikes. Fits almost all of the brands from China, such as TaoTao,  Buyang, Coolsport, Kazuma, Sunl, ROKETA, AIM-EX etc.Please check the size detail from the picture before buying.

  • TC-Motor 420 76mm 35 Tooth Rear Sprocket For Chinese 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc 170cc 190cc Pit Dirt Motor Bike Motorcycle

    • UPC: 613792497981
    • ASIN: B07JG35MLM
    • Brand: TC-Motor
    • Manufacturer: TC-Motor

  • HIAORS 420 13T 17mm Motorcycle Front Engine Sprocket for 50cc 70cc 110cc 125cc 140cc 160cc Honda TaoTao Roketa Coolster Sunl Lifan Chinese ATV Quad Dirt Bike

    • ASIN: B07Q7SHH61
    • Brand: HIAORS
    • Manufacturer: HIAORS

    HIAORS 420 13T 17mm Motorcycle Front Engine Sprocket for 50cc 70cc 110cc 125cc 140cc 160cc Honda TaoTao Roketa Coolster Sunl Lifan Chinese ATV Quad Dirt Bike

  • 420 Gold Chain 102 Link with Connecting Master Link for 50cc 70cc 90cc 110cc 125cc Honda XR50 CRF50 Motorcycle Dirt Pit Bike ATV Quad Go Kart 4 wheeler Honda Yamaha Kawasaki Suzuki NST

    • ASIN: B00S97YY26
    • Brand: Kids ATV Parts
    • Manufacturer: Kids ATV Parts

    This is a standard 420 chain without O-ring sealing, made of high quality alloy steel and provides professional grade performance. Color: Gold Fit Models: most 50cc 70cc 90cc 110cc 125cc ATVs and dirt bikes Honda XR50 CRF50 Note: 102 links come with a master link If you need something shorter, you can cut it down to the length you need! Please ... [Read More]

  • P1 Tools Sprocket Bolt and nut kit Motocross Dirt Bike CR YZ KX RM CRF RMZ

    • UPC: 743815822633
    • ASIN: B07MXYDC75
    • Brand: P1 TOOLS
    • Manufacturer: P1 TOOLS

    ***Please be aware that this sprocket bolt set comes with a countersunk head (exactly as shown in the image). Some sprockets do not have countersunk bolt holes. Please check your rear sprocket is compatible with this style of bolt before purchasing. *** New set of 6 High Strength Sprocket Bolts and nylon locking flange nuts. These are factory recom... [Read More]

  • WPHMOTO 420 41T 52mm Rear Chain Sprocket for 90cc 125cc 110cc Pit Dirt Bike ATV Go Kart

    • UPC: 797550855753
    • ASIN: B07SZPL9BY
    • Brand: WPHMOTO
    • Manufacturer: WPHMOTO

    Product: Rear Sprocket 420 41T 52mmFitment: 420 41T 52mm Rear Chain Sprocket for Pit Dirt Bike ATV Go Kart 90cc 125cc 110ccPacking Quantity: 1 x Chain Sprocket

  • Razor MX350 (V23+) Rear Wheel Assembly - OEM Factory Original 12.5 x 2.75 Complete MX350 (V23+) and MX400 (V19+) Rear Wheel Replacement - Razor MX350 Parts - Part W15128040188 - by Precision Auto

    • UPC: 885215596285
    • ASIN: B00SVA2U3Q
    • Brand: Precision Auto Products
    • Manufacturer: Razor

    ✅ RAZOR FACTORY ORIGINAL: MX350 Rear Wheel Assembly with 12-1/2 x 2.75 Knobby Tire. Razor Complete 12" Rear Wheel for MX350 (Version 23 +) and MX400 (Version 19+) - Razor Replacement Part # W15128040188. ✅ EACH OEM Razor Rear Wheel Assembly Includes: 12" Rim, 12.5 x 2.75 Knobby Tire, 12.5 x 2.75 Tube, 90mm Band Brake, 80T Sprocket, Axle, Axle S... [Read More]

  • WPHMOTO Front Tire 60/100-14 & Rear Tire 80/100-12 Disc Brake Wheel Rim With 12mm Bearing for Pit Dirt Bike

    • UPC: 680727611927
    • ASIN: B07GYBDC9S
    • Brand: WPHMOTO
    • Manufacturer: WPHMOTO

    Disc mouning distance:  70mmSprocket mouning distance:  65mmAXLE DIAMETER: 12mm

  • Motorcycle and ATV Gearing Guide

    Chain and Sprocket 101 - Gearing Up - Gearing Down - Finding the Best Gear Ratio

    Replacing Front Sprocket on Dirt Bike for more Torque and HP