Best Adjustable Speed Pulleys

Gates 2012 1.15/16 Taper-Lock Bushing with Shallow Keyway, 1-15/16\ Bore, 1.2\ Length, 2.0\ Max Bore

For use with Taper-Lock sheaves, sprockets and pulleys (not included).
Carbon steel for strength and resistance to wear.
Allows precise selection of number of drive teeth or grooves in adjustable speed applications.

Acera mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice.
Oversize 13-tooth tension and guide pulleys to reduce noise and wear.
Extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action.
Top normal spring for use with Rapidfire shifters.
IG and HG chain, 7- and 8-speed compatible.

[Shaft Sleeve Adapter Kit] This stainless steel shaft sleeve adapts a crankshaft from 3/4” to 1” diameter. It comes with 1.77"" step key..
[ ] Made from stainless steel, precision machined and tumbled, high durability. It is durable in use, not easy to aging and abrasion resistant, to ensure maximum strength and durability for long lasting usage..
[Applications] Alters motors with a different diameter shaft. Alters pulleys for a different speed or belt. Reduces the necessity of buying a new motor or pulley to maintain existing components and speed/power requirements. Adapts larger wheel bores to smaller axles. Works with Gas Engine Crank Shafts to enlarge the crank diameter to fit pulleys, gear boxes etc..
Perfect Performance] Allows you to use your old clutch or pulley on a new engine, you may need to use a small hammer to gently tap it in to place for tightly fit..
[Package Include] 1 Set Shaft Sleeve Adapter Kit.

Variable Pin Scanner Wrench features a universal design that fits many different types of pulleys having slots or holes, including camshaft pulleys, crankshaft pulleys, and more.
Wrench is adjustable from 1-1/4 inches to 5 inches (3.2 to 12.7cm) by loosening single adjustment bolt.
Set includes the following pairs of high-strength steel pin sizes: 3.5 mm, 4 mm, 4.5 mm, 5 mm, 6 mm, 7 mm, 10 mm plus a heavy-duty steel handle assembly.
Works with Existing Tools : 12-inch (30.5cm) long pin wrench attaches to your 1/2-inch drive ratchet or breaker bar for an extended reach and added torque.
Blow Mold Case: The adjustable spanner wrench set is packed in a heavy-duty, blow-molded case with precision-sized compartments for every piece - great for storage and transport while lengthening the life of the tool set..

OTC's Variable Pin Scanner Wrench features a universal design that fits many different types of pulleys having slots or holes, including camshaft pulleys, crankshaft pulleys, and more.
Wrench is adjustable from 1-1/4 inches to 5 inches by loosening single adjustment bolt.
Use wrench as-is with it's approximate 12 inch overall length, or for more leverage, use with a 1/2 inch drive ratchet or breaker bar.
Set includes the following pairs of high-strength steel pin sizes: 3.5 mm, 4 mm, 4.5 mm, 5 mm, 6 mm, 7 mm, 10 mm plus a heavy-duty steel handle assembly.
Rugged blow-molded storage case keeps set components contained and organized so they are ready to use when you need them.

Product 1: OTC's Variable Pin Scanner Wrench features a universal design that fits many different types of pulleys having slots or holes, including camshaft pulleys, crankshaft pulleys, and more.
Product 1: Wrench is adjustable from 1-1/4 inches to 5 inches by loosening single adjustment bolt.
Product 1: Use wrench as-is with it's approximate 12 inch overall length, or for more leverage, use with a 1/2 inch drive ratchet or breaker bar.
Product 1: Set includes the following pairs of high-strength steel pin sizes: 3.5 mm, 4 mm, 4.5 mm, 5 mm, 6 mm, 7 mm, 10 mm plus a heavy-duty steel handle assembly.
Product 2: Fully adjustable Gland Nut Wrench fits hydraulic cylinders on vehicles having gland nuts from 1 inch to 3-3/4 inches in diameter.
Product 2: Reverses to work on either 7/32 or 1/4 inch pinholes.
Product 2: Designed for use with a 1/2 inch drive ratchet or breaker bar.
Product 2: High-grade materials ensure quality performance over the lifetime of the tool.

[Shaft Sleeve Adapter Kit] This stainless steel shaft sleeve adapts a crankshaft from 1"-3/4"x1/4"-3/16" inch diameter. It comes with 2.01" step key..
[ ] Made from stainless steel, precision machined and tumbled, high durability. It is durable in use, not easy to aging and abrasion resistant, to ensure maximum strength and durability for long lasting usage..
[Applications] Alters motors with a different diameter shaft. Alters pulleys for a different speed or belt. Reduces the necessity of buying a new motor or pulley to maintain existing components and speed/power requirements. Adapts larger wheel bores to smaller axles. Works with Gas Engine Crank Shafts to enlarge the crank diameter to fit pulleys, gear boxes etc..
Perfect Performance] Allows you to use your old clutch or pulley on a new engine, you may need to use a small hammer to gently tap it in to place for tightly fit..
[Package Include] 1 Set Shaft Sleeve Adapter Kit.

[Shaft Sleeve Adapter Kit] This stainless steel shaft sleeve adapts a crankshaft from 7/8" to 1" diameter. It comes with 2.01" step key..
[ ] Made from stainless steel, precision machined and tumbled, high durability. It is durable in use, not easy to aging and abrasion resistant, to ensure maximum strength and durability for long lasting usage..
[Applications] Alters motors with a different diameter shaft. Alters pulleys for a different speed or belt. Reduces the necessity of buying a new motor or pulley to maintain existing components and speed/power requirements. Adapts larger wheel bores to smaller axles. Works with Gas Engine Crank Shafts to enlarge the crank diameter to fit pulleys, gear boxes etc..
Perfect Performance] Allows you to use your old clutch or pulley on a new engine, you may need to use a small hammer to gently tap it in to place for tightly fit..
[Package Include] 1 Set Shaft Sleeve Adapter Kit.

[Shaft Sleeve Adapter Kit] This stainless steel shaft sleeve adapts a crankshaft for 5/8" x 3/4" x 3" diameter.It comes with 2.01" step key..
[ ] Made from stainless steel, precision machined and tumbled, high durability. It is durable in use, not easy to aging and abrasion resistant, to ensure maximum strength and durability for long lasting usage..
[Applications] Alters motors with a different diameter shaft. Alters pulleys for a different speed or belt. Reduces the necessity of buying a new motor or pulley to maintain existing components and speed/power requirements. Adapts larger wheel bores to smaller axles. Works with Gas Engine Crank Shafts to enlarge the crank diameter to fit pulleys, gear boxes etc..
Perfect Performance] Allows you to use your old clutch or pulley on a new engine, you may need to use a small hammer to gently tap it in to place for tightly fit..
[Package Include] 1 Set Shaft Sleeve Adapter Kit.