Best Mechanical Roller Chain Sprockets Under $100 (2026)
We ranked sprockets under $100 by a value score that weights material and build quality, correct bore/keyway options, common tooth counts, and user suitability for light industrial and recreational drives
The Verdict
- Best Overall: Jeremywell 60-tooth #40 roller chain sprocket, 1" bore, B type — Best for go-kart setups: 60 teeth and a 1-inch bore offer smoother engagement for recreational chain drives
- Best Value: Roller chain sprocket B type 1" bore, 24 teeth — Best budget 24-tooth option: 24 teeth and a 1-inch bore for higher-speed, lower-torque applications
Top Picks
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1
Best Overall Jeremywell 60-tooth #40 roller chain sprocket, 1" bore, B type
Best for go-kart setups: 60 teeth and a 1-inch bore offer smoother engagement for recreational chain drives
A #40 roller chain sprocket with 1" bore and 60 teeth designed for 1" live axles. Well-machined, heavy-duty feel with easy installation and good alignment, though some note it runs 2mm small
- 1" bore with 60 teeth
- 1/4" keyway with 2 setscrews
- no hardened teeth
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2
Jeremywell 40B50 roller chain sprocket, 3/4 in bore, 50 teeth
Best for mid-range reductions: 50 teeth with a 3/4-inch bore suits common hobby and light industrial ratios
Sprocket for mechanical roller chain systems with a 3/4" bore and 50 teeth. 1045 high-carbon steel meets ANSI and MARTIN standards. Customers note solid build, easy installation, and good fit with existing chains
- 3/4" bore compatibility
- 50-tooth configuration
- 1045 carbon steel meets standards
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3
Jeremywell 40B48 roller chain sprocket, 5/8 bore
Best for compact shafts: 48 teeth with a 5/8-inch bore fits tighter mounting and smaller motor shafts
Sprocket for roller chain systems with a 5/8" bore and 48 teeth. 1045 medium carbon steel meets ANSI and MARTIN standards. Customers note easy installation and good fit, with mixed feedback on size and bearing quality
- 5/8" bore capability
- 48-tooth sprocket
- ANSI and MARTIN standard steel
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4
Best Value Roller chain sprocket B type 1" bore, 24 teeth
Best budget 24-tooth option: 24 teeth and a 1-inch bore for higher-speed, lower-torque applications
Sprocket for 12.7mm (1/2") pitch with 24 teeth and 1" bore. Hardened steel with tempering for wear resistance and good durability. Users report functional performance with some fit-related alignment variations
- hardened teeth HRC38-42
- 1/2" pitch compatibility
- 2 setscrews for secure mounting
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5
#35 Roller Chain Sprocket B Type 5/8" Bore 30 Teeth
Best for #35 chains on smaller shafts: 30 teeth with a 5/8-inch bore balances torque and compactness
B Type roller chain sprocket with 5/8" bore, 30 teeth, forged from AISI 1045 steel. Designed for high-temp quenching hardness and wear resistance. Customer note: good quality and durability, with some fit issues reported
- 30 teeth for balanced ratio
- B Type sprocket with 5/8" bore
- hardened teeth for wear resistance
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6
Roller Chain Sprocket B Type 1" Bore, 30 Teeth
Best 30-tooth 1-inch bore option: 30 teeth with a full 1-inch bore for sturdier shaft interfaces
AISI 1045 steel roller chain sprocket with 30 teeth, 1" bore, and 9.525mm (3/8") pitch. Includes 0.25" keyway and two setscrews at 90 degrees for secure mounting. Customer feedback notes good quality and durability with mixed fit
- 1" bore with 0.25" keyway
- HRC38-42 hardness
- AISI 1045 steel body
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7
Roller Chain Sprocket B Type 30 Teeth 3/4" Bore
Best 30-tooth 3/4-inch bore: 30 teeth and a 3/4-inch bore for mid-size shaft installations
Roller chain sprocket with 30 teeth, 3/4" bore, 12.7 mm (1/2") pitch. Hardened gear with high hardness and wear resistance. Customer notes good quality and reliable function, with mixed fit feedback
- wear-resistant hardened teeth
- AISI 1045 medium carbon steel
- 2 setscrews at 90 degrees for secure mounting
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8
Roller Chain Sprocket B Type 1" Bore 36 Teeth
Best for slightly higher torque: 36 teeth with a 1-inch bore for smoother load distribution in light drives
Sprocket for roller chain drives with 1" bore and 36 teeth. Hardened teeth and high-temperature quenched gear part for wear resistance. Customer note: good quality and durable, with some fit and alignment variation reports
- 36-tooth gear with 1" bore
- HRC38-42 hardened teeth
- wear-resistant steel and quenching