10 Best Motorized Bicycle Chain Tensioner of December 2025

• Chain Tensioner Spring Loaded For 49cc 66cc 80cc Engine Motorized Bike
• Package Include: 1 x Chain Tensioner Kit
• 80cc bike chain tensioner
• motorized bike chain tensioner

sthus

• Chain Tensioner for 2 Stroke 48cc
• Can Also Be Used On 48cc, 66cc
• Also for 4-stroke 49cc engines.

GasBike

• Chain Tensioner Spring Loaded For 49cc 66cc 80cc Engine Motorized Bike.
• Package includes: 2 x Black Chain Tensioner.
• 80cc bike chain tensioner
• Good quality and durability.
• Safe transportation with reliable package, deserving your trust.

HGC

• Spring Idler Pulley Chain Tensioner, with 2 Bolts, With Bearing
• Package Include: 1 x Chain Tensioner Kit
• Easy to adjust & Heavy Duty Metal
• Reduces stress on the chain

sthus

• CNC Chain Tensioner 49cc 66cc 80cc Engine Motorized Bike
• Package include:1 x CNC Tension wheel
• During transportation, maybe a little scratches on the surface of the item. Please understand this.
• The measurement of the actual items may slightly different from the listing images due to manual measurement,please allow 0.5-1mm difference.Thanks for your understanding.
• Reminder/Note: To Ensure You Purchase the Correct Product, Please Read the Description Carefully. Thanks for Your Attention.

sthus

• Fitment:Fit:49cc 60cc 80cc Motorized Bicycle Bike
• Package include: 1* Pulley Chain Tensioner Bracket
• Weight:300g
• NOTE:This is the Non-original part. The pictures can tell more than we can; please make sure it can fit on your bicycle before ordering it.

JRL

• 🚴🚴1.The Pulley Chain Tensioner Bracket is made of high quality material, anti-rust,anti-corrosion,it is very sturdy and durable.
• 🚴🚴2.The Pulley Chain Tensioner Bracket is ideal for 49cc to 80cc 2-stroke motorized Dirt Bike ATV bicycles.Good Working Condition and Easy to Install.
• 🚴🚴3.After installation,The Pulley Chain Tensioner Bracket doesn't make noise and hasn't needed much readjustment after the initial chain stretch on your new chain.
• 🚴🚴4.It is a high performance,reasonable price bicycle adjuster Tensioner Bracket, which is perfect for bicycle lovers.
• 🚴🚴5.This is the Non-original part.Please make sure it can fit on your chainsaw before ordering it.

VideoPUP

• Fitment: Chain Tensioner Spring Loaded For 49cc 50cc 66cc 80cc Engine Motorized Bike
• Package Includ: 1 Chain Tensioner Kit
• motorized bike chain tensioner
• 80cc bike chain tensioner

sthus

• ✨ 1. The item for 49cc to 80cc (49cc 60cc 66cc 80cc) 2-stroke motorized bicycles.
• ✨ 2. Easy install and High class quality and very durable
• ✨ 3. Please check pictures and specifications for compatibility
• ✨ 4. HIFROM focus on provide high quality carburetor at fair price: Professional Factory; Professional technical support; if you unsatisfy with our product, you can return to our USA warehouse, no risk.

HIFROM

• Fit motorized bicycle bike 49cc 60cc 66cc 80cc 2 stroke engine Chain Tensioner Roller
• Package include 3pcs pulley chain tensioner rollers
• Please check the size of your original one for matching before purchase

HIAORS