Best Finished Bore Sprockets

Magisale Garage Door Parts Bracket Adjustable Reinforcement Bracket, Carbon Steel Zinc Plated

• VIRTIONZ replacement Gear & Sprocket Kit for LiftMaster Sears Craftsman 41C4220A, 41A2817 Garage Door.
• Specs - Large Gear: 2 3/4" x 1/2" with 1/2" bore. Worm Gear: 1 1/8" Outside Diameter with 1 1/4" wide teeth..
• Includes - (1) Gear & Sprocket Kit with Worm Gear, Grease, Motor Shaft Bearings, Sprocket Bearings & Hardware.
• If your garage door opener is a 1/2 HP or 1/3 HP chain drive model with a production date of 1984 to present, this kit will be compatible.
• Do NOT use for garage openers with dual sprockets on the output shaft.

LiftMaster Gear and Sprocket Assembly 41A5658 - G2595

• The ROP Shop replacement Gear & Sprocket Kit for LiftMaster 1245LK, 1250, 1255, 1255R, 1260 Garage Doors.
• Specs - Large Gear: 2 3/4" x 1/2" with 1/2" bore. Worm Gear: 1 1/8" Outside Diameter with 1 1/4" wide teeth. Refer to images 2 & 3 for more information.
• Includes - (1) Gear & Sprocket Kit with Worm Gear, Grease, Motor Shaft Bearings, Sprocket Bearings & Hardware.
• Compatible with Residential Chamberlain, Liftmaster, Sears Craftsman, Master Mechanic and Garage Master, 1/2, 1/3, 3/4 HP chain drive models manufactured 1984 to present.
• Do NOT use for garage openers with dual sprockets on the output shaft.
• Not compatible with Sears openers made before 1984 - body color of powerhead unit: brown, green, or yellow.

Campagnolo Chorus 11 Cassette 11 Speed, 12x29

Gekufa Go Kart Sprocket for 40/41/420 Chain, 60 Tooth Sprocket for Go Karts and Mini Bikes

• [COMPATIBILITY] This Go Kart Sprocket designed with 60 Tooth, works with 40/41/420 Chain for Go Karts and Mini Bikes.Note:This is a 9-3/4" sprocket and please double check what size you need.If this one is too big for you,we also have 8" sprockets B08MX2W7NF..
• [PREMIUM QUALITY] Made of high-quality metal, durable to use..
• [PERFECTLY FIT] Great replacement for a proper fit and easy installation..
• [PRODUCT DIMENSIONS] 9-3/4" diameter, 60 tooth sprocket with a 2-1/8" bore.
• 8 x 3/8" mounting holes, spaced 1-1/4" apart..
• [BUY WITH CONFIDENCE] This 60 Tooth Go Kart Sprocket comes with 6 months warranty. For any reason you're not completely satisfied, you can ask for a replacement or full refund..

uxcell 7mm to 7mm Bore Rigid Coupling Set Screw L22XD14 Copper,Shaft Coupler Connector,Motor Accessories

• Total Length: 22mm/0.87 inch, Outside Diameter : 14mm/0.55 inch.
• Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
• Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
• high torque with rigidity, low inertia and excellent sensitivity..
• NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
• Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..

Heavy Duty Transmission Gear Reduction Box Clutch Replacement for 47cc 49cc 2-stroke Pocket Mini Bike T8F 11T 13T 14T 17T 20T Teeth

• Heavy duty reduction box twin-chain design for bigger torque transmission than standard reduction box with single chains..
• The reduction box comes with clutch(the bore on the clutch:1/2 inch=12.7mm) and 11/13/14/17/20 teeth total 5 pcs of sprockets.The sprocket fits T8F chain(8 pitch) only..
• Reduction Ratio: 3 to 1 chain reducer. Please confirm size of your original part. This is 91mm, not 116mm. We marked the size in the last picture.
• Fit for 43/47/49cc 2-stroke Pocket Mini Bike / Scooter / ATV..
• 180 days warranty and 100% money back guarantee if not satisfied..

uxcell 6mm to 1/4 Inch Bore Rigid Coupling Set Screw L25XD18 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,2pcs

• Connection Bore Diameter: 6mm to 1/4 inch.
• Total Length: 25mm/0.98 inch, Outside Diameter : 18mm/0.7 inch.
• Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
• Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
• high torque with rigidity, low inertia and excellent sensitivity..
• NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
• Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..

uxcell 8mm to 8mm Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue w Wrench

• Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
• Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
• high torque with rigidity, low inertia and excellent sensitivity..
• NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
• Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..

uxcell 1/4 Inch to 1/4 Inch Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Dark Blue,2pcs

• Connection Bore Diameter: 1/4 inch to 1/4 inch.
• Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch.
• Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
• Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
• high torque with rigidity, low inertia and excellent sensitivity..
• NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
• Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..

uxcell 1/4 Inch to 1/4 Inch Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Dark Blue,4pcs

• Connection Bore Diameter: 1/4 inch to 1/4 inch.
• Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch.
• Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
• Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
• high torque with rigidity, low inertia and excellent sensitivity..
• NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
• Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..

6 Pcs 5/16\ to 6\ Telescopic Gauge Bore Gauge Telescoping Gage Set High Precision T Bore Hole Gauge Bore Measurement Tool

• 【Easy to Adjust】This telescopic bore gauge set allow the most pinhole gauge on the retractable gauge to enter, can quick check holes, slots and recess up to 6" deep..
• 【Bore Gauge Material】 The bore gauges are made of carbon steel with chrome plating on the surface.Telescoping Gage Set has nickel-plated finished and good side arc so that the product has a long service life..
• 【Bore Gage Packing】Total 6Pcs cylinder bore gauges in a ethylene plastic bag, range: 5/16" - 6" (8mm to 150mm), (1 gage: 5/16 - 1/2" range x 4.20" overall.
• 1 gage: 1/2 - 3/4" range x 4.40" overall.
• 1 gage: 3/4 - 1-1/4" range x 4.40" overall.
• 1 gage: 1-1/4 - 2-1/8" range x 5.85" overall.
• 1 gage: 2-1/8 - 3-1/2" range x 5.85" overall.
• 1 gage: 3-1/2 - 6" range x 5.85" overall)..
• 【Peration Method】 Use the small hole gauge to expand in the hole to be measured, lock it in place, and then take it down, and measure with bore micrometer or caliper to determine the final hole size..
• 【Unique Design】 The spring tension of bore measuring tool ​gives uniform contact pressure, can detect the inner diameter in a hole (or groove).Spring of telescopic gauge loads with knurled locking knob and knurled holding area..

RV Vent Fan Blade - White 6 Replacement Fan Blade 3/32 0.094 Round Bore RV Fan Blades for Bathroom Roof Vent Range Hood 2 Pack

• 【12V Power Vent Fan】This rv vent fan blade is replacement blade for 12 voltage power roof vents and range hoods..
• 【Round Bore Size】This fan blade bore is ROUND and measured 3/32 inch (0.094"), equal to standard RV fan motors' bore axle, pls make sure the bore....
• 【Compatible Brands】This fan blade is 6 inch large, widely used for ventilations of RV's, campers and trailer, compatible for Elixir, Heng's,....
• 【Direction of Spin】This fan blade is direct replacement. The finished hub face down, then match the motor shaft recess in. The direction of spin....
• 【Powerful and Quiet】: Our powerful RV vent fan runs strong to exhaust the residual smell in the bathroom, easy to install & run quietly.

Mycheng 6Pcs Carburetor Adjustment Tool Kit with Case Including 21 Teeth Splined/7 Teeth Splined/Hexagon/ Double D/Small Head Single D/Single D for 2 Cycle Carburetor Engine

• Adjustable tool is designed to both hold and turn cam sprockets.
• The tool is needed to turn the cam sprockets to adjust the cam position.
• Can also be used to hold the cam sprocket in place when removing the cam bolt.
• Will work on all single and dual overhead cam sprockets with holes.