Description Reviews Q&A Heavy duty ball bearing chain tensioner for bicycle engine kits. × Related Products Add to Cart Quick view Deluxe Spring Loaded Ball Bearing Chain Tensioner $29.99 $19.99 Stop replacing your idler pulley and bearings so often! The spring tensioning helps to set just the right pressure on the sealed ball bearings within the tensioner allowing the tensioner to last a... Add to Cart Add to Wishlist Add to Cart Quick view Deluxe Engine Mounted Spring-Loaded Chain Tensioner With Ball Bearing Sprocket $36.99 $26.99 This chain tensioner mounts directly over the drive sprocket cover on your 2-stroke engine. Featuring a fully adjustable spring-loaded design, this tensioner will maintain constant pressure for your... Add to Cart Add to Wishlist Add to Cart Quick view Performance Black Engine Mounted Chain Tensioner with Spring $32.99 $26.99 Using an engine-mounted spring tensioner helps keep your chain running smoothly with less jumping and less chance of derailment and it can cut down on vibration. This kit mounts directly onto the... Add to Cart Add to Wishlist Out of stock Quick view Sold Out Crank Shaft Ball Bearing (Part #18) $14.99 18) Crank Shaft Ball Bearing (set of 2) Out of stock Add to Wishlist Add to Cart Quick view BT80 Crankcase Bearing (set of 2) $6.99 Standard OEM replacement Crankcase Bearings for use with BT80 Engine Kits. Crankcase bearings install into the case of your engine and support your crankshaft so it can turn smoothly. Add to Cart Add to Wishlist Out of stock Quick view Sold Out T-Belt Drive Kit Idler Pulley/Belt Tensioner $12.99 Aluminum Belt Tensioner Idler Pulley – standard replacement part for T-belt drive kits. Out of stock Add to Wishlist Choose Options Quick view Chain Breaker Tool $11.99 This tool is critical in helping get the length of your chain to the custom length needed for your special build! Choose between the 415 chain size and 410 chain size versions. Choose Options Add to Wishlist Out of stock Quick view Sold Out M5x20 Bolt $0.59 4 Stroke Engine Replacement Part # 36 -- M5x20 Stud Out of stock Add to Wishlist Add to Cart Quick view BT80 Starting Chain Deflector $4.99 Standard OEM replacement Starting Chain Deflector for use with BT80 Engine Kits. The starting chain deflector is located within the engine start motor, this component guides the chain as it revolves... Add to Cart Add to Wishlist
Add to Cart Quick view Deluxe Spring Loaded Ball Bearing Chain Tensioner $29.99 $19.99 Stop replacing your idler pulley and bearings so often! The spring tensioning helps to set just the right pressure on the sealed ball bearings within the tensioner allowing the tensioner to last a... Add to Cart Add to Wishlist
Add to Cart Quick view Deluxe Engine Mounted Spring-Loaded Chain Tensioner With Ball Bearing Sprocket $36.99 $26.99 This chain tensioner mounts directly over the drive sprocket cover on your 2-stroke engine. Featuring a fully adjustable spring-loaded design, this tensioner will maintain constant pressure for your... Add to Cart Add to Wishlist
Add to Cart Quick view Performance Black Engine Mounted Chain Tensioner with Spring $32.99 $26.99 Using an engine-mounted spring tensioner helps keep your chain running smoothly with less jumping and less chance of derailment and it can cut down on vibration. This kit mounts directly onto the... Add to Cart Add to Wishlist
Out of stock Quick view Sold Out Crank Shaft Ball Bearing (Part #18) $14.99 18) Crank Shaft Ball Bearing (set of 2) Out of stock Add to Wishlist
Add to Cart Quick view BT80 Crankcase Bearing (set of 2) $6.99 Standard OEM replacement Crankcase Bearings for use with BT80 Engine Kits. Crankcase bearings install into the case of your engine and support your crankshaft so it can turn smoothly. Add to Cart Add to Wishlist
Out of stock Quick view Sold Out T-Belt Drive Kit Idler Pulley/Belt Tensioner $12.99 Aluminum Belt Tensioner Idler Pulley – standard replacement part for T-belt drive kits. Out of stock Add to Wishlist
Choose Options Quick view Chain Breaker Tool $11.99 This tool is critical in helping get the length of your chain to the custom length needed for your special build! Choose between the 415 chain size and 410 chain size versions. Choose Options Add to Wishlist
Out of stock Quick view Sold Out M5x20 Bolt $0.59 4 Stroke Engine Replacement Part # 36 -- M5x20 Stud Out of stock Add to Wishlist
Add to Cart Quick view BT80 Starting Chain Deflector $4.99 Standard OEM replacement Starting Chain Deflector for use with BT80 Engine Kits. The starting chain deflector is located within the engine start motor, this component guides the chain as it revolves... Add to Cart Add to Wishlist