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When a worn or mismatched sprocket causes chain skip, premature wear, or drivetrain noise, finding an exact-pitch replacement becomes critical. These #35 roller chain drive sprockets are engineered for makers, hobbyists, and mechanical builders who need a reliable, dimensionally accurate sprocket without sourcing from an industrial distributor.
Each sprocket is machined to a 3/8" (9.525mm) pitch — the standard for ANSI #35 and ISO 06B roller chain. Available in 9T through 60T tooth counts, the bore diameter and hub dimensions vary by tooth count; refer to the variant options for exact specifications. Material is typically carbon steel with a natural or lightly finished surface suitable for light-to-medium duty applications.
These sprockets are well-suited for go-kart and mini-bike drivetrain builds, conveyor and automation prototyping with #35 chain, and small engine power transmission projects requiring a #35 or 06B chain drive sprocket replacement.
Machined to ANSI #35 / ISO 06B pitch (9.525mm) for direct compatibility with standard roller chain — no modification required.
Available from 9T to 60T, covering low-speed high-torque and high-speed low-torque drivetrain configurations in a single product family.
Manufactured from carbon steel for solid mechanical strength in light-to-medium duty power transmission applications.
Tooth geometry is cut to match standard roller chain engagement, reducing chain wear and maintaining consistent drive efficiency over time.
Each tooth count variant carries its own bore size and hub geometry — select your tooth count above to confirm the exact bore diameter for your shaft.
Designed as a direct replacement for worn #35 chain sprockets in go-karts, conveyors, mini-bikes, and small engine drive systems.
| Chain Standard | ANSI #35 / ISO 06B |
|---|---|
| Chain Pitch | 3/8" (9.525mm) |
| Tooth Count Range | 9T – 60T (select variant) |
| Material | Carbon Steel |
| Surface Finish | See variant options |
| Bore Diameter | See variant options |
| Hub Diameter | See variant options |
| Hub Length | See variant options |
| Outer Diameter | See variant options |
| Keyway | See variant options |
| Set Screw | See variant options |
| Application | Light-to-medium duty power transmission |
The tooth count determines your gear ratio. A smaller sprocket (fewer teeth) on the drive shaft increases output speed; a larger sprocket (more teeth) increases torque. For go-karts and mini-bikes, common driver/driven ratios range from 1:4 to 1:6. Match your tooth count to your desired speed and torque balance, and confirm the bore diameter fits your shaft before ordering.
Yes. Both ANSI #35 and ISO 06B roller chains share a 3/8" (9.525mm) pitch, making these sprockets dimensionally compatible with either chain standard. Always verify the roller diameter and inner link width of your specific chain to ensure full engagement.
Bore diameter varies by tooth count. Select your desired tooth count from the variant dropdown above — the product listing for that variant will confirm the bore size. If you need a specific bore diameter, contact us before ordering so we can confirm the correct variant for your shaft.
These sprockets are manufactured from carbon steel and are rated for light-to-medium duty power transmission. They are suitable for go-karts, mini-bikes, small conveyors, and hobbyist machinery. For continuous heavy industrial loads or high-cycle applications, consult the load ratings for your specific chain and confirm the sprocket's rated torque capacity matches your application.
Carbon steel sprockets are susceptible to surface oxidation when exposed to moisture. For outdoor or wet environments, apply a chain lubricant or anti-rust coating regularly. If corrosion resistance is a primary requirement, consider stainless steel alternatives or apply a protective finish after installation.
Yes, provided your existing sprocket is a #35 or 06B pitch with the same tooth count and a matching bore diameter. Measure your current sprocket's outer diameter, bore, and tooth count before selecting a variant. When replacing a worn sprocket, it is also recommended to replace the chain at the same time to prevent accelerated wear on the new sprocket teeth.
Keyway and set screw availability varies by tooth count variant. Select your specific tooth count above to confirm the hub configuration, or contact us to confirm before purchase if shaft retention method is critical to your build.
