60T High Torque Rear Sprocket #40/41/420 - Better Climbing Power

In this review of the 60T High Torque Rear Sprocket #40/41/420 the bottom line is simple: this is a purpose-built replacement for minibike owners who have upgraded to 212cc and larger engines and need stronger low-end pull. The reviewer found the sprocket delivers noticeably improved acceleration and hill-climbing ability while keeping chain engagement stable. Fitment for Coleman B200 series and similar minibikes is clearly the target, and the precision-cut teeth combined with gold zinc plating make this a solid drivetrain upgrade rather than a cosmetic swap.

Key Features

• 60 Tooth Design: Provides greater mechanical advantage for strong acceleration and improved climbing on steep hills.
• 3+4 Hole Mounting: Fits OEM wheel rims with either 3-hole or 4-hole patterns, simplifying direct replacement on compatible minibikes.
• #40/#41/#420 Chain Compatibility: Matches common minibike chain sizes to reduce chain slip and maintain steady torque delivery.
• Precision-Cut Teeth: Engineered to reduce chain wear and promote smooth power transfer for longer drivetrain life.
• High-Strength Steel with Gold Zinc Plating: Built to withstand higher loads and resist corrosion in wet or dusty conditions.

Who It's For

Owners of Coleman B200R, B200, B200RSV, RT200, RB200, CT200U, CT200UEX, BT200X and closely related minibikes who have swapped to larger, high-performance engines or who routinely ride steep terrain will benefit most from this sprocket. The 60T size is tailored to increase low-end torque and throttle response for off-road and technical riding.

Riders who keep strictly stock engines, those who need a lower overall top speed, or who require an exact original-equipment gear ratio for racing classes should consider more conservative sprocket sizes instead, as the larger 60T shifts the bike toward stronger low-speed pull rather than top-end velocity.

Pros & Cons

Pros

• Significant torque boost for climbing and quick launches.
• Durable high-strength steel construction with corrosion-resistant gold zinc plating.
• Precision-machined teeth for smoother chain engagement and reduced wear.
• Direct fit for common OEM 3-hole or 4-hole wheel rims and standard chain sizes.

Cons

• Large 60T ratio reduces theoretical top speed compared with smaller sprockets.
• Designed for upgraded engines, so stock-engine riders may not notice the full benefit.

Specifications

Our Verdict

The 60T High Torque Rear Sprocket is a practical upgrade for minibike riders who want stronger low-end torque for climbing and off-road use after fitting larger engines. It balances durability, corrosion resistance, and precision machining at a reasonable value for riders prioritizing pulling power over top speed.

Frequently Asked Questions

Will this fit my Coleman B200 series minibike?
Yes, it is designed to fit Coleman B200R, B200, B200RSV and similar models with OEM 3-hole or 4-hole wheel rims.

What chain sizes are supported?
The sprocket is compatible with #40, #41 and #420 chain sizes commonly used on minibikes.

Is the coating corrosion resistant?
Yes, the gold zinc plating provides rust protection for long-term outdoor use.