MRELC Upgraded 35-Chain 140-Links Tensioner for Coleman, Baja & Motovox

Overview

Meet the MRELC Upgraded 35-Chain 140-Links Mini Bike Tensioner, a compact, purpose-built component designed to keep your chain aligned through rough terrain and regular yard use. The unit pairs a sturdy 140-link 35 chain with a precision tensioner that helps maintain consistent engagement between sprockets and crank, contributing to a steadier ride and reduced chain noise.

Key benefits at a glance

• Wide compatibility across popular mini bikes and off-road karts, including Coleman CT100U, Baja Doodle Bug, Predator engines, Motovox models, and more.
• All-in-one kit includes essential parts: a 140-link 35 chain, a mini tensioner, 12 master links, a chain breaker, and a wrench for quick setup.
• High quality alloy chain delivers improved wear resistance and corrosion resistance for diverse riding conditions.
• Durable rubber-metal tensioner with a smooth surface reduces wear and remains adjustable for proper chain tension.
• Convenient disassembly and maintenance: the included chain breaker and extra master link enable fast disassembly, without hunting for tools.

Durability and performance in real-world riding

Engineered to withstand regular exposure to mud, dust, water spray, and temperature changes, the alloy chain and tensioner are designed to hold alignment during acceleration and deceleration. The tensioner’s surface stays smooth, limiting chain wear and friction, while the adjustable design lets you fine-tune tension for your riding style and terrain.

What’s included and practical use

• 1 x 140-section 35-chain – robust and ready for reliable power transfer.
• 1 x Mini bicycle chain tensioner – keeps chain taut for a smoother ride.
• 12 x Master links – helps convert and reconnect the chain quickly.
• 1 x Chain breaker – aids simple disassembly in the field.
• 1 x Wrench – included for quick on-site adjustments.

Compatibility and fit guidance

The tensioner is designed to fit a range of minis and small-off-road builds, including Coleman, Baja Doodle Bug, Predator engines from 79cc to 212cc, and Motovox models. When selecting, verify chain width, drive sprocket, and engine displacement to ensure a clean, aligned setup.

How to install and maintain

Quick guidelines: align the tensioner with the chain path, thread the master links, and use the included chain breaker for easy disassembly when needed. Regularly check tension between rides and adjust to maintain a balanced, quiet operation.