Best Vortex Sprockets in 2026

Rear Sprockets Are Made From 7075 T-6 Aluminum Alloy

Made from C49 high carbon steel

Heat treated and hand finished to meet or exceed OEM standards

Outlasts any mild steel or surface hardened sprocket

Fits Various Sports Vehicles - Designed to fit 50cc-125cc dirt bikes, mini, bikes, ATVs, and 4-wheel go karts. It's compatible with 420 chains with 1/2" pitch, 1/4" roller width, and 5/16" roller diameter.

Precision Engineering For A Perfect Fit - This 125cc sprocket drive gear is 0.235" thick and has 17 teeth. The central mounting hole spacing is 1.18" and is compatible with a 17mm engine countershaft.

Crafted For Durability - Made using quality materials and manufactured in line with industry standards. The sprocket gear underwent heat treatment to enhance resilience against wear and tear.

Fit 420 Chain

14T

Eye to eye : 30mm

Fit 428 Chain

17T

Eye to eye : 30mm

Replacement for most chinese made 50cc 70cc 110cc 125cc 140cc 160cc ATV Dirt Bike Quad TaoTao Sunl

Inner diameter:17mm/0.67";Hole distance:30mm/1.18"(Please refer to the second picture)

Model:428 Style 12 teeth 17mm Chain

NOTE:Designed Specially for "3PCS big Bolts don't line up with holes of CDHPOWER CNC 44t sprocket",unscrew the 2pcs small bolts to 1.5inch adapter, it will line up. this is is unique and special design ,not wrong drill；2pcs screw 12.9Grade/W3/8-16X1"；3pcs screw 10.9Grade/W5/16-18X1"

OD:185.5mm; rear hub Adapter fits any rear hub of SPOKE WHEEL BIKE with a diameter of 1.52-1.528"(FOR SPOKE WHEEL BIKE ONLY). Sprocket 44T& Adapter, Used with 12G and 14G spokes

The 44T Sprocket and Adapter Assembly is a durable aluminum unit that provides fast and easy installation.

Replaces Manco / American Sportworks part# 8720- 1125

Compatible with: 9 Tooth 5/8" bore sprocket for #40/41/420 chain

Package list: 1x 9-Tooth bore sprocket

Please note excluding bolts, size of Bolts to mag wheel:M5x23mm, if your sprocket is thicker than standard sprocket, we suggest bolts M5x25mm. Designed mainly for motorized bicycles;do not need adapter, sprocket only needed; put grease/lubricating oil on thread of wheel to prevent damage of thread from Riding inner diameter of rim:17.5mm/0.689inch

Aluminum Wheels Excluding chain drive Sprocket Thread size: 1.375 inch X24T; the hole spacing for front and rear wheel both 44mm, please see the last picture£»NOTE: It's inevitable that there will be SCRATCHES or PAINT PEELING during transportation, buy carefully if you are concerned.

Size for Wheel Axle: LxT(front axle): 160mm x 10mm; LxT(rear axle): 180mm x 10mm; light and very durable. 29"/700c Size Wheel;For non-motorized bicycles, the max loading is 385 lb/175kg. For motorized bicycles, the max safty loading is 330 lb/150kg.

Single strand sprocket with one set of teeth around the circumference for applications where a single chain can support the torque and load

Pitch of 1/2 inch for size 40 chains

Ready-to-install finished bore with a wide hub on one side

Length: 228cm; Thickness:4mm; Diameter of center hole:37mm；Compatible with 415 chain and 415h chain

10.5mm bolt hole diameter of the larger 3 holes that bolt to sprocket; 80mm measurement from center of large hole to center of larger hole that bolt to sprocket

Works well for installation kit 9 hole set;Works well for adapter to bike rear hub;

Fit for 43/47/49cc Pocket Mini Bike / Scooter / ATV.

The reduction box comes with clutch and 11,13,14,17,20 teeth total 5 pcs of sprocket.The sprocket fits T8F chain only.

Reduction Ratio: 3 to 1 chain reducer.

17mm Countershaft Sprocket, fit all bikes with 17 tooth 428 style chain

Centre Hole: 0.7''(17mm) / Centre to centre: 1.2''(30mm)

Tooth Number: 17 teeth / Fit Chain Size: 428 chain

Fitment: 428 76mm 35T Rear Sprocket For Chinese 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc 170cc 190cc Pit Dirt Bike (Such As Chinese CRF50,SSR,YCF,IMR,Atomik,Thumpstar,BSE,Apollo,Kayo,Stomp,Piranha,DHZ,GPX,Pitster Pro,SDG,Braaap,Taotao,Coolster,Lifan,YX,Ect And Many Other Chinese Brands)

428 Sprocket Can Only Work With 428 Type Chain

Please Carefully Check All Pictures And Sizes In The Listing To Make Sure It's The Correct Product You Need

Brand New Powerful 2 Stroke Pull Start 49cc Engine

2 stroke, single cylinder, air cool, gear box with 20 teeth fit T8F chains

Suits majority of Chinese petrol scooters and choppers

✔FFITMENT: for Coleman Baja MASSIMO 196cc 6.5hp Powersports Mini Bike.

✔COMPATIBILITY: Coleman Powersports BT200X,Coleman Powersports CT200U-EX / CT200U-EXR,Coleman Powersports CT200U Trail, Baja Motorsports Mini Bike MB165 & MB200 (Heat, Mini Baja, Warrior)， Hensim Mini Bike MB165 & MB200 (Heat, Mini Baja, Warrior), MASSIMO MB200

✔NOTE: Please check the size and pictures carefully before purchasing.

10 Tooth C Sprocket

5/8 Bore

3/16 cut keyway

Size: 428 16T 17mm Hole Sprocket

Eye to eye center distance: 31mm

Tooth Number: 16 teeth

For 97cc 98cc 100cc 2.5hp 2.8hp Coleman Baja Hensim TrailMaster Realtre* Mini Bike Go Kart Drift Trike Profile. Compatible with: /Coleman (CT100U, CC100X, Trail 100) mini bike/Coleman (CK100, SK100) go kart/Baja Hensim (Doodle Bug, Blitz, Dirt Bug, Racer) DB30 mini bike/TrailMaster MB Storm mini bike/

Notice : Sprocket can drill out other holes to get it to fit Monster Moto MM-B80 mini bike/Mega Moto (MM-B80, MM-B105)Motovox (MBX10 MBX11) mini bike

Sprocket Size: #35 Chain,Teeth: 65 Tooth/ Mounting Hole Distance (center to center, bolt hole circle): 50.5mm (1.99 inch)/ Center Hole Diameter: 37mm (1.46 inch)/ Overall Diameter: 198mm ( 7.8 inch)/ Mounting Hole Diameter: 6.5mm (0.26 inch)x6.

Drilled lightening holes reduce rotating mass

High carbon steel for maximum strength

Special Vortex Nichel plating to resist corrosion

Hub Dia:1.469"; 0.187" Keyway with 2 Setscrews at 90 degrees

Harden Teeth at HRC40-50

Same business day order processing before 12:30PM PDT

Durable in use.

High strength and hardness.

Used in hardware, molds, and the occasion of the mechanical.

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

Please compare your part with our picture to make sure. We are not responsable if the customer have ordered wrong parts

✅For 47cc 49cc 2 Stroke Chinese Kids Mini Moto Pocket Bike Gas Scooter ATV Quad Pit Dirt Bike Goped

✅T8F Chain Can Only Work With 25H Sprocket,Please Make Sure Your Bike With The 25H Sprocket

✅Chain Size:Chain Style: T8F 116 links/ Length (folded in half): 460mm(18.11inch) ，Thickness: 11.5mm(0.450.45inch) , Width: 7.5mm(0.3inch)/ Sprocket Size: The inside diameter: 54mm(2.13inch)，The minimum hole diameter: 6mm(0.24inch)，Sprocket Diameter: 140mm(5.51inch)，Centre to centre: 65mm(2.56inch)

Brand new front sprocket for Chinese 50cc - 140cc Pit Bike

Commonly used on Lifan Coolster Baja SSR SDG 50cc 70cc 90cc 110cc 125cc 140cc Pit Bike

Please make sure the sprocket size matches your need.

20mm engine sprocket retainer plate sets.

The item fits for 50cc - 125cc Engine ATV Pocket Bike Dirt Bike Pit Bike Mini Bike Quad Bike,not replacement for GY6 or vertical engine,91 Kawasaki Kx 125.

The inside diameter: 0.8"(20mm)

Case hardened, chromoly steel construction

Parkerized surface treatment for rust and corrosion resistance

Great OEM quality at a non-OEM price

Case hardened, chromoly steel construction

Parkerized surface treatment for rust and corrosion resistance

Great OEM quality at a non-OEM price

Fitment -- Dir Bike Sprocket Fits for Light Bee/Surron/Sur-Ron/Sur Ron X/Sur Ron S/X160/X260.

Material -- Sur Ron Sprocket is Manufactured from 7075 Aviation Aluminum Alloy, It Guarantees Hardness While Maintaining Light Weight. The Hollow Design is also to Reduce Weight and Make It as Lightweight as Possible.

62T -- Sur Ron Output Torque and Dynamic .

For Compatible with 50cc-160cc 170cc 190cc SDG Pit Dirt Bike,it not fit 2020 CRF50

Please Check The Size And Pictures Carefully Before Your Purchase.

The part/product is not sponsored or endorsed by,or affiliated with the brands it fit,including Pit Dirt Motor Bike