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Best Choice uxcell 
uxcell #25 Chain Roller Sprocket, 10mm Bore 1/4" Pitch 15 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 15, Outside Diameter: 33.5mm / 1.32-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15ICON Group International, Inc. The 2021-2026 World Outlook for Roller Chains for Sprocket Drives Meeting any ASME or ANSI Standard Best Value uxcell uxcell Chain Roller Sprocket, 8mm Bore 3/8" Pitch 9 Tooth Single Strand Type B Chain Sprocket, A3 Carbon Steel Roller Ch Specifications: Material: A3 carbon steel, Hardness: 58-60HRC, Number of Teeth: 9, Outside Diameter: 30mm / 1.18-inch, BGeneric 2 Pcs Bicycle Chain,Chain Sprocket for Road | Narrow Wide Mountain Hollow Chain, Single Chainfor 9-Speed Folding ⇀【Reliable Material】The bike chainis not easy to rust, strong, and durable for long-time use because it is made of alumiJeremywell Jeremywell #40 Roller Chain Sprocket B Type 1" Bore Hardened 12 Tooth ICON Group International, Inc. The 2016 Report on Roller Chains for Sprocket Drives Meeting any ASME or ANSI Standard: World Market Segmentation by Cit uxcell uxcell 25 Tooth Roller Sprocket B Type, 25 Chain, Single Strand 1/4" Pitch, 8mm Bore Black Oxide C45 Carbon Steel with S Package Content: 1 x Chain Sprocket, 2 x Set ScrewsMultiple. Distributed through American National Standards Institute (ANSI) ASME B29.1-2011: Precision Power Transmission Roller Chains, Attachments, and Sprockets uxcell uxcell #25 Chain Roller Sprocket, 10mm Bore 1/4" Pitch 14 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 14, Outside Diameter: 31mm / 1.22-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15mmMultiple. Distributed through American National Standards Institute (ANSI) ASME B29.15M-1997: Steel Roller Type Conveyor Chains, Attachments, and Sprocket Teeth uxcell uxcell DIN/ISO 06B Roller Chain Sprocket 17T Pitch 3/8" 25mm Bore A3 Carbon Steel Motor Drive Gear Size - 17 Teeth 5mm (0.2") thickness, 25mm (0.98") Bore Diameter, 9.525mm (3/8") Pitch, Keyway: 8mm (0.31"), Hub Height:Multiple. Distributed through American National Standards Institute (ANSI) ISO 487:1998, Steel roller chains, types S and C, attachments and sprockets CNCMOTOK CNCMOTOK 420 Motorcycle Chain+ Chain Breaker,420 Standard Roller Chain 132 Link for 110cc 125cc Dirt Pit Bike ATV Quad G Premium quality： 420 Standard Roller Chain 132 Link made of alloy steel, High strength and good corrosion resistance , sMultiple. Distributed through American National Standards Institute (ANSI) ISO 606:2004, Short-pitch transmission precision roller and bush chains, attachments and associated chain sprockets Jeremywell Jeremywell 40BS11H-1/2" Bore 11 Tooth B Type Sprocket for 40 Roller Chain Bore Size: 1/2"Multiple. Distributed through American National Standards Institute (ANSI) ASME B29.100-2011: Double-Pitch Roller Chains, Attachments, and Sprockets uxcell uxcell #25 Chain Roller Sprocket, 12mm Bore 1/4" Pitch 15 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 15, Outside Diameter: 33.5mm / 1.32-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell Chain Roller Sprocket, 10mm Bore 3/8" Pitch 13 Tooth Single Strand Type B Chain Sprocket, A3 Carbon Steel Roller Specifications: Material: A3 carbon steel, Hardness: 58-60HRC, Number of Teeth: 13, Outside Diameter: 42mm / 1.65-inch,uxcell uxcell #25 Chain Roller Sprocket, 6.35mm Bore 1/4" Pitch 10 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roll Specifications: Number of Teeth: 10, Outside Diameter: 23.5mm / 0.93-inch, Bump Width: 9.5mm / 0.37-inch, Total Width: 1Belleone Belleone 40 Roller Chain 3 Feet with 5 Free Connecting Links, Carbon Steel Chain for Go-Kart, Snowblower, Sprocket, Dirt 【Wide Using】 The roller chain is suitable for a wide range of snowblower, sprocket, go-kart, minibike, bicycle, motorcycuxcell uxcell 17 Tooth #25 Chain Roller Sprocket, Double Strand 1/4" Pitch, 10mm Bore Black Oxide C45 Carbon Steel for ISO 04C Specifications: Number of Teeth: 17; Outside Diameter: 37.5mm / 1.48-inch; Total Width: 20mm / 0.79-inch; Bore Diameter:uxcell uxcell #25 Chain Roller Sprocket, 8mm Bore 1/4" Pitch 16 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 16, Outside Diameter: 35.5mm / 1.4-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15muxcell uxcell #25 Chain Roller Sprocket, 8mm Bore 1/4" Pitch 15 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 15, Outside Diameter: 33.5mm / 1.32-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell #25 Chain Roller Sprocket, 10mm Bore 1/4" Pitch 10 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 10, Outside Diameter: 23.5mm / 0.93-inch, Bump Width: 9.5mm / 0.37-inch, Total Width: 1uxcell uxcell #25 Chain Roller Sprocket, 8mm Bore 1/4" Pitch 12 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 12, Outside Diameter: 27.5mm / 1.08-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell Chain Idler Sprocket 6mm Bore, 12 Tooth Sprocket Tensioner, C45 Carbon Steel Roller Chain Sprocket with Bearing f Specifications: Number of Teeth: 12; Outside Diameter: 40mm / 1.57-inch; Bump Width: 4mm / 0.16-inch; Total Width: 14mmuxcell uxcell #25 Roller Chain Idler Sprocket, 6mm Bore 1/4" Pitch 17 Tooth Sprocket Tensioner, C45 Carbon Steel 25 Roller Chai Specifications: Number of Teeth: 17; Outside Diameter: 37mm / 1.46-inch; Bump Width: 5mm / 0.2-inch; Total Width: 13mm /CRC Press Standard Handbook of Chains: Chains for Power Transmission and Material Handling, Second Edition (Mechanical Engineering Butterworth-Heinemann Mechanical Design: Theory and Applications Butterworth-Heinemann Mechanical Design Engineering Handbook Butterworth-Heinemann Mechanical Design Engineering Handbook CRC Press Power Mechanisms of Rotational and Cyclic Motions uxcell uxcell Chain Idler Sprocket 8mm Bore, 12 Tooth Sprocket Tensioner, C45 Carbon Steel Roller Chain Sprocket with Bearing f Specifications: Number of Teeth: 12; Outside Diameter: 40mm / 1.57-inch; Bump Width: 4mm / 0.16-inch; Total Width: 14mmAnzmtosn Fidget Sprockets Hand Roller for Kids Adults, Cool Finger Fidget Spinner Toys Metal Sensory Bike Chain Gears EDC Novelty ★【UNIQUE BIKE CHAIN DESIGN】 -- Experience the most unique fidgeting toy ever designed with the bike chain spinning toy cJeremywell Jeremywell #50 Roller Chain Sprocket B Type 1" Bore 10 Tooth LNCOJOLM Sprocket Fidget Chain Bike Spinner Toy for Kids Adults, EDC Novelty Hand Finger Spinner Desk Toy for Stress Relief, Cool ⚙Upgraded Sprocket: Experience the most unique fidgeting toy ever designed with the bike chain spinning toy concept. Thiuxcell uxcell #35 Chain Idler Sprocket, 12mm Bore 3/8" Pitch 17 Tooth Sprocket Tensioner, C45 Carbon Steel 35 Roller Chain Spro Specifications: Number of Teeth: 17; Outside Diameter: 56mm / 2.2-inch; Bump Width: 5mm / 0.2-inch; Total Width: 14mm /Jeremywell Jeremywell #50 Roller Chain Sprocket B Type 1" Bore 12 Tooth martin Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 20B Chain Size, 31.75mm Pitch, 17 Teeth, 24mm Bore For use with 20B-1 chain, 31.75 mm pitch, meets ISO metric standardsuxcell uxcell DIN/ISO 06B Roller Chain Sprocket 13T Pitch 3/8" 12mm Bore A3 Carbon Steel Motor Drive Gear Size - 13 Teeth 5mm (0.2") thickness, 12mm (0.47") Bore Diameter, 9.525mm (3/8") Pitch, Keyway: 4mm (0.16"), Hub Height:uxcell uxcell DIN/ISO 06B Roller Chain Sprocket 16T Pitch 3/8" 20mm Bore A3 Carbon Steel Motor Drive Gear Size - 16 Teeth 5mm (0.2") thickness, 20mm (0.79") Bore Diameter, 9.525mm (3/8") Pitch, Keyway: 6mm (0.24"), Hub Height:Jeremywell 41B17-1.6cm Bore 17 Tooth Jackshaft Sprocket for 41 Roller Chain Hub Dia:2.234"; 0.187" Keyway with 2 Setscrews at 90 degreesJeremywell Jeremywell #25 Roller Chain Sprocket B Type 1/4'' Bore 10 Tooth martin Martin Roller Chain Sprocket, Reboreable, Type B Hub, Double Strand, 16B Chain Size, 25.4mm Pitch, 23 Teeth, 25mm Bore D For use with 16B-2 chain, 25.40 mm pitch, meets ISO metric standardsuxcell uxcell B Type Roller Chain Sprocket 12 Teeth 10mm Bore Stainless Steel Motor Drive Gear for Chain DIN/ISO No. 04C-1 and Size - B Type, 12 Teeth 2.8mm thickness, 10mm (0.39") Bore Diameter, 6.35mm (1/4") Pitch, Overall Size: 27.5mmx15mm / 1.uxcell uxcell B Type Roller Chain Sprocket 14 Teeth 10mm Bore Stainless Steel Motor Drive Gear for Chain DIN/ISO No. 04C-1 and Size - B Type, 14 Teeth 2.8mm thickness, 10mm (0.39") Bore Diameter, 6.35mm (1/4") Pitch, Overall Size: 31.5mmx15mm / 1.uxcell uxcell 15 Tooth Roller Sprocket B Type, 25 Chain, Single Strand 1/4" Pitch, 8mm Bore Black Oxide C45 Carbon Steel with S Package Content: 1 x Chain Sprocket, 2 x Set Screwsuxcell uxcell #25 Roller Chain Idler Sprocket, 8mm Bore 1/4" Pitch 19 Tooth Sprocket Tensioner, C45 Carbon Steel 25 Roller Chai Specifications: Number of Teeth: 19; Outside Diameter: 42mm / 1.65-inch; Bump Width: 6mm / 0.24-inch; Total Width: 15mmuxcell uxcell 9 Tooth Roller Sprocket B Type, 25 Chain, Single Strand 1/4" Pitch, 8mm Bore Black Oxide C45 Carbon Steel with Se Package Content: 1 x Chain Sprocket, 2 x Set Screwsuxcell uxcell DIN/ISO 06B Roller Chain Sprocket 10T Pitch 3/8" 10mm Bore A3 Carbon Steel Motor Drive Gear Size - 10 Teeth 5mm (0.2") thickness, 10mm (0.39") Bore Diameter, 9.525mm (3/8") Pitch, Keyway: 4mm (0.16"), Hub Height:uxcell uxcell #25 Chain Roller Sprocket, 8mm Bore 1/4" Pitch 18 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 18, Outside Diameter: 39.5mm / 1.56-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell DIN/ISO 06B Roller Chain Sprocket 13T Pitch 3/8" 16mm Bore A3 Carbon Steel Motor Drive Gear Size - 13 Teeth 5mm (0.2") thickness, 16mm (0.63") Bore Diameter, 9.525mm (3/8") Pitch, Keyway: 5mm (0.2"), Hub Height:Anneome Anneome 2pcs Wire Drive Roller Welders Equipment Parts Wire Feed Drive Wire Welder Mechanical Roller Chain Sprockets Wel Welder wire feed drive-- made of high grade steel material, durable and sturdy for lasting use.uxcell uxcell 14 Tooth Roller Sprocket B Type, 25 Chain, Single Strand 1/4" Pitch, 10mm Bore Black Oxide C45 Carbon Steel with Package Content: 1 x Chain Sprocket, 2 x Set Screwsuxcell uxcell Chain Roller Sprocket, 10mm Bore 1/2" Pitch 13 Tooth Single Strand Type B Chain Sprocket, A3 Carbon Steel Roller Specifications: Material: A3 carbon steel, Hardness: 58-60HRC, Number of Teeth: 13, Outside Diameter: 57mm / 2.24-inch,uxcell uxcell Chain Roller Sprocket, 10mm Bore 1/2" Pitch 9 Tooth Single Strand Type B Chain Sprocket, A3 Carbon Steel Roller C Specifications: Material: A3 carbon steel, Hardness: 58-60HRC, Number of Teeth: 9, Outside Diameter: 41mm / 1.61-inch, BJeremywell 40BB17H-1/2''Bore 17 Tooth Idler Sprocket for 40 Roller Chain Brand Newuxcell uxcell DIN/ISO 06B Roller Chain Sprocket 11T Pitch 3/8" 12mm Bore A3 Carbon Steel Motor Drive Gear Size - 11 Teeth 5mm (0.2") thickness, 12mm (0.47") Bore Diameter, 9.525mm (3/8") Pitch, Keyway: 4mm (0.16"), Hub Height:IDEASURE IDEASURE 420 Motorcycle Chain Standard 59" Roller Sprocket 132 Links with 2 Master Links & Chain Breaker Fits for 110cc ✅Come greased, this well-made sprocket is made of heavy-duty alloy steel, and extremely strong. Very reliable, corrosionGeneric T8F 13T Front Sprocket, Efficient T8F Drive Chain 116 Links Easy Install for Mini Bike Smooth and Efficient Operation: The well designed teeth of the sprocket and the construction of the chain guarantee smoouxcell uxcell 10 Tooth Roller Sprocket B Type, 25 Chain, Single Strand 1/4" Pitch, 10mm Bore Black Oxide C45 Carbon Steel with Package Content: 1 x Chain Sprocket, 2 x Set ScrewsMotoforti Motoforti Roller Chain Tools Kit 25-60 Chain Detacher Breaker Cutter Tool Roller Chain Puller Holder Connecting for Bicy [Fitment] Roller Chain Tools Kit suit for chain sizes: 25, 35, 41, 40, 50, 60 ,05B, 06B, 08B, 10B, 410, 43, 65, 415, 42,uxcell uxcell 10 Tooth Roller Sprocket B Type, 25 Chain, Single Strand 1/4" Pitch, 8mm Bore Black Oxide C45 Carbon Steel with S Package Content: 1 x Chain Sprocket, 2 x Set ScrewsMobestech Mobestech 2pcs 10 Hole Sprocket 10 Teeth Sprocket Mechanical Roller Chain Sprockets Phone Lanyard Bling Single Sprocket Machine supplies-- made of steel material that is durable and practical use.DJDK DJDK 42T Sprocket,420 48mm 42T Sprocket Steel Rear Chain Roller Sprocket Kit Suitable for Electric Bicycle Kart Motorcyc 42T Sprocket: This sprocket is made of steel, has good toughness and wear resistance, and has a long service life.uxcell uxcell #25 Chain Roller Sprocket, 6.35mm Bore 1/4" Pitch 9 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Rolle Specifications: Number of Teeth: 9, Outside Diameter: 21mm / 0.83-inch, Bump Width: 8.5mm / 0.33-inch, Total Width: 15mmGeneric 410 13T Sprocket, Steel Motor Engine Sprocket Chain Wheel 3PCS High Hardness for Electric Scooter Durable and Sturdy: The 410 13T sprocket is made of steel material, high toughness, good wear resistance, durable and pruxcell uxcell #25 Chain Roller Sprocket, 8mm Bore 1/4" Pitch 10 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 10, Outside Diameter: 23.5mm / 0.93-inch, Bump Width: 9.5mm / 0.37-inch, Total Width: 1uxcell uxcell #25 Chain Roller Sprocket, 12mm Bore 1/4" Pitch 19 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 19, Outside Diameter: 41.5mm / 1.63-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell #25 Chain Roller Sprocket, 12mm Bore 1/4" Pitch 16 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 16, Outside Diameter: 35.5mm / 1.4-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15muxcell uxcell #25 Chain Roller Sprocket, 6mm Bore 1/4" Pitch 19 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 19, Outside Diameter: 41.5mm / 1.63-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell #25 Chain Roller Sprocket, 10mm Bore 1/4" Pitch 12 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 12, Outside Diameter: 27.5mm / 1.08-inch, Bump Width: 9.5mm / 0.37-inch, Total Width: 1uxcell uxcell #25 Chain Roller Sprocket, 8mm Bore 1/4" Pitch 14 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 14, Outside Diameter: 31mm / 1.22-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15mmuxcell uxcell #25 Chain Roller Sprocket, 8mm Bore 1/4" Pitch 13 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 13, Outside Diameter: 29.5mm / 1.16-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell #25 Chain Roller Sprocket, 14mm Bore 1/4" Pitch 15 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 15, Outside Diameter: 33.5mm / 1.32-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell #25 Chain Roller Sprocket, 6mm Bore 1/4" Pitch 16 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 16, Outside Diameter: 35.5mm / 1.4-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15muxcell uxcell #25 Chain Roller Sprocket, 14mm Bore 1/4" Pitch 17 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 17, Outside Diameter: 37.5mm / 1.48-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell #25 Chain Roller Sprocket, 6mm Bore 1/4" Pitch 10 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 10, Outside Diameter: 23.5mm / 0.93-inch, Bump Width: 9.5mm / 0.37-inch, Total Width: 1uxcell uxcell #25 Chain Roller Sprocket, 12mm Bore 1/4" Pitch 14 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 14, Outside Diameter: 31mm / 1.22-inch, Bump Width: 8mm / 0.31-inch, Total Width: 15mmuxcell uxcell #25 Chain Roller Sprocket, 10mm Bore 1/4" Pitch 16 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 16, Outside Diameter: 35.5mm / 1.4-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15muxcell uxcell #25 Chain Roller Sprocket, 15mm Bore 1/4" Pitch 16 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 16, Outside Diameter: 35.5mm / 1.4-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15muxcell uxcell #25 Chain Roller Sprocket, 14mm Bore 1/4" Pitch 16 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 16, Outside Diameter: 35.5mm / 1.4-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15muxcell uxcell #25 Chain Roller Sprocket, 6mm Bore 1/4" Pitch 13 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 13, Outside Diameter: 29.5mm / 1.16-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell #25 Chain Roller Sprocket, 6mm Bore 1/4" Pitch 9 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller C Specifications: Number of Teeth: 9, Outside Diameter: 21mm / 0.83-inch, Bump Width: 8.5mm / 0.33-inch, Total Width: 15mmuxcell uxcell #25 Chain Roller Sprocket, 5mm Bore 1/4" Pitch 14 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 14, Outside Diameter: 31mm / 1.22-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15mmuxcell uxcell #25 Chain Roller Sprocket, 14mm Bore 1/4" Pitch 19 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 19, Outside Diameter: 41.5mm / 1.63-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell #25 Chain Roller Sprocket, 8mm Bore 1/4" Pitch 11 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 11, Outside Diameter: 25.5mm / 1-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15mmuxcell uxcell #25 Chain Roller Sprocket, 10mm Bore 1/4" Pitch 17 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 17, Outside Diameter: 37.5mm / 1.48-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell #25 Chain Roller Sprocket, 5mm Bore 1/4" Pitch 12 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 12, Outside Diameter: 27.5mm / 1.08-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell #25 Chain Roller Sprocket, 6mm Bore 1/4" Pitch 12 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 12, Outside Diameter: 27.5mm / 1.08-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15uxcell uxcell #25 Chain Roller Sprocket, 6mm Bore 1/4" Pitch 11 Tooth Single Strand Chain Sprocket, C45 Carbon Steel 25 Roller Specifications: Number of Teeth: 11, Outside Diameter: 25.5mm / 1-inch, Bump Width: 12mm / 0.47-inch, Total Width: 15mmuxcell uxcell Chain Idler Sprocket 6mm Bore, 13 Tooth Sprocket Tensioner, C45 Carbon Steel Roller Chain Sprocket with Bearing f Specifications: Number of Teeth: 13; Outside Diameter: 43mm / 1.69-inch; Bump Width: 4mm / 0.16-inch; Total Width: 14mmuxcell uxcell #25 Roller Chain Idler Sprocket, 10mm Bore 1/4" Pitch 19 Tooth Sprocket Tensioner, C45 Carbon Steel 25 Roller Cha Specifications: Number of Teeth: 19; Outside Diameter: 42mm / 1.65-inch; Bump Width: 5mm / 0.2-inch; Total Width: 15mm /uxcell uxcell #25 Roller Chain Idler Sprocket, 12mm Bore 1/4" Pitch 20 Tooth Sprocket Tensioner, C45 Carbon Steel 25 Roller Cha Specifications: Number of Teeth: 20; Outside Diameter: 44mm / 1.73-inch; Bump Width: 6mm / 0.24-inch; Total Width: 15mmuxcell uxcell Chain Idler Sprocket 8mm Bore, 14 Tooth Sprocket Tensioner, C45 Carbon Steel Roller Chain Sprocket with Bearing f Specifications: Number of Teeth: 14; Outside Diameter: 46mm / 1.81-inch; Bump Width: 4mm / 0.16-inch; Total Width: 14mmuxcell uxcell Chain Idler Sprocket 8mm Bore, 13 Tooth Sprocket Tensioner, C45 Carbon Steel Roller Chain Sprocket with Bearing f Specifications: Number of Teeth: 13; Outside Diameter: 43mm / 1.69-inch; Bump Width: 4mm / 0.16-inch; Total Width: 14mmBrowning Browning 80Q34 Roller Chain Sprocket, Single Strand, Split Taper, Bushed, Steel, 80 Pitch, 34 Teeth Bushed Roller Chain Sprocketmartin Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 12B Chain Size, 19.05mm Pitch, 23 Teeth, 16mm Bore For use with 12B-1 chain, 19.05 mm pitch, meets ISO metric standardsmartin Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 12B Chain Size, 19.05mm Pitch, 22 Teeth, 16mm Bore For use with 12B-1 chain, 19.05 mm pitch, meets ISO metric standardsMotoforti Motoforti Roller Chain Tools Kit 25-60 Chain Detacher Breaker Cutter Tool Roller Chain Puller Holder Connecting for Bicy [Fitment] Roller Chain Tools Kit suit for chain sizes: 25, 35, 41, 40, 50, 60 ,05B, 06B, 08B, 10B, 410, 43, 65, 415, 42,