CILOYU 35 Roller Chain 140 Links Replacement for Coleman CT100U/Baja — Alloy Steel with Tensioner & Chain Breaker

The CILOYU 35 chain 140-links kit is a direct-fit replacement chain and tensioner set engineered for Coleman CT100U/Baja mini bikes to restore drivetrain reliability.

Designed for compact minibike engines such as Predator 79cc–100cc and factory Coleman models, this replacement kit includes a 35-size roller chain with 140 links, a rubber-and-metal chain tensioner, a master link, and a chain breaker for installation. Built from alloy steel with corrosion-resistant finishes, the components are intended to offer long wear life under typical off-road and trail use.

Will this chain fit my Coleman CT100U or Baja mini bike?

Yes — the 35 roller chain with 140 links is sized to match the standard drivetrain on many CT100U and comparable Baja models. Compatibility also extends to several popular mini bike lines that use the same sprocket and center distance configurations.

• Compatible models: Coleman CT100U, CC100X, Baja Motorsports Doodle Bu*, Motovox MBX10/MBX11, Monster Moto MMB80/MMB105.
• Engine fit: Works with Predator 79cc, 97cc, 98cc, and 100cc powered minibikes.
• Link count: 140 links allows trimming for exact fit on most frame layouts.

How durable is the CILOYU 35 chain compared with stock chains?

The chain is made from alloy steel and finished for improved wear and corrosion resistance, which helps extend service intervals compared with untreated low-cost chains. Proper tension, lubrication, and periodic inspection are still required to achieve the best lifespan.

• Material: premium alloy steel for strength and fatigue resistance.
• Surface treatment: corrosion-resistant finish for outdoor use.
• Includes a rubber-and-metal tensioner to reduce friction and help prevent derailment.

What tools and parts are included to make installation easier?

The kit arrives with a chain breaker tool and an extra master link so you can size and assemble the chain without needing additional special parts. The tensioner plate and rubber pad are included to allow correct alignment and to minimize chain slap once installed.

• Chain breaker tool for cutting to the correct number of links.
• Extra master link for quick joining of the chain ends.
• Adjustable rubber-and-metal tensioner to set and maintain proper chain tension.

How should I maintain the new chain for best performance?

Routine maintenance keeps the chain running smoothly: clean off mud and debris after rides, lubricate the rollers with a suitable chain lube, and check tension and wear every few rides. Replace the chain if elongation or damaged rollers appear to protect sprockets and drivetrain components.

• Clean and lube after wet or muddy conditions to prevent corrosion.
• Check tension and alignment before each ride to avoid derailment.
• Inspect for elongation or cracked links and replace when wear limits are reached.

Who is this for: This CILOYU 35 chain kit is intended for riders, mechanics, and DIY owners of Coleman CT100U/Baja-style minibikes and similar models who need a reliable, serviceable replacement chain and tensioner. It suits weekend trail riders, fleet owners maintaining multiple mini bikes, and anyone who prefers to perform upkeep at home rather than seek professional service. The included tools and extra master link make it practical for first-time chain replacements while the alloy-steel construction appeals to users who want longer-lasting drivetrain components.