Reviews Motor Sprockets- BestItemr.com

TAMIYA 4-Track Crawler: Educational Construction Series No.247, TAM70247

The remarkable traction can be used to get over obstacles and take on tricky surfaces such as snow..
4 crawlers swing forward independently, and the front axle rotates around the propeller shaft for powerful performance..
Crawlers are composed of belt type tracks, drive sprockets, and 2 road wheels..
Speed: 5.4 cm/s (It takes about 18.5 seconds to run 1 meter.).

automatically engages rear end drifts so that drivers can keep both hands on the wheel at all times while focusing on steering and throttle control.
Ultimate steering responsiveness for performance driving.
Provide the right balance of drive vs. drift.
Maintenance-free system that eliminates chains, sprockets, tensioners, and the upkeep that such parts require.
Recommended for ages 6 and up in "LOW" speed setting, 8 years and up in "HIGH" speed setting.
supports riders up to 120 pounds (54 kg).

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.

8 speed freewheel 11-34, 11-13-15-18-21-24-28-34 Teeth.Compatible with hub motor e-bike, mountain bike, cargo bike, city bike, commuting bike.Thread hub offset >=Freewheel stack height(38.5mm)+1.5mm.
Large 34 teeth sprocket, create bigger gear range. Make climbing even easier..
Ebike specific freewheel 8 speed,Made of high strength SPHC and durable chromoly steel. Nickel plated surface treatment..
Total height: 38.5mm+/-0.2mm, Weight:601g+/-1g,hot rolled steel cogs(sprockets) + 3 layer nickel plated, steel clutch mechanism..
Designed for E-bike, ratchet mechanism is high strength and durable.Speed range 309%. Fits standard motorized rear hub with threaded freewheel mount, compatible also with standard threaded bicycle freewheel hub..

DECREASED VIBRATION: This Johnson Magnetic Sheave Laser is designed to offer a high accuracy level ranging from +/- 1/6 in. to 10 ft. It is made to decrease vibrations on pulleys and sheave systems, helping minimize wear on belts and motor bearings..
SECURE FITTING: The alignment level tool features rare earth magnets that ensure a secure attachment to ferrous metals, allowing quicker and safer set up. The strong magnets offer accurate alignment for reduced noise and abrasion..
COMPACT SIZE: Featuring three laser targets, the magnetic aligning tool easily adjusts to various width sheaves for versatility. The compact size of the tool also makes it easy to use on sheaves with a small diameter..
APPLICATION: This sheave laser has a red laser wavelength of 635nm+/-10nm to quickly check height and flatness of gear box and motor mounting plates. It is also suitable for various alignment jobs on sprockets, rollers and other plant equipment..
PRODUCT SPECIFICATIONS: This Red Sheave Alignment Kit is powered by 2 "AAA" alkaline batteries (included) and has a battery life of up to 10 hours. It comes packed in a hard case for protection and easy carrying..

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.

...op.Only suitable for JIELI automatic sliding gate openers. 4 remotes are standard, up to 300 remotes can be equipped..
CHAIN--- Slide gate opener kit equipped with two chains（total length is 19.68ft）.IF you need to extend more chains, select ANSI #428 size roller chain sprockets..