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Choosing the right rear wheel is essential for traction, stability, and durability on rough dirt trails. This guide highlights five top rear wheel options that fit common pit bikes and dirt bikes, covering wheel sizes, axle compatibility, and whether rotors and sprockets are included. From 12-inch to 14-inch configurations and 12mm or 15mm axles, these picks cater to brands like Apollo, KLX, TTR, SSR, and Kayo. Read on for installation notes, durability considerations, and a concise buying guide to help you pick the right rear wheel for your machine.

Summary of selected rear wheel options:

14-Inch Rear Wheel Rim Tire Assembly For Dirt Pit Bike

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This rear wheel rim tire assembly is designed for dirt pit bikes using a 14″ rim and is suitable for machines in the 110cc to 160cc range, including popular models like KLX65, Apollo, and others. It comes with a brake rotor and sprocket, which saves installation time. The setup uses a 15mm bearing, making it incompatible with 12mm axles. It is commonly used on newer Apollo dirt bikes and is listed as compatible with various brands, including Thumpstar, Atomik, Pitpro, and DHZ Kayo. Before purchasing, verify axle hole size and overall dimensions against your bike’s hub to ensure a proper fit.

• 14″ rear wheel rim tire assembly with rotor and sprocket
• Fits 110cc–160cc dirt bikes; supports 125/140/150/160cc classes
• 15mm bearing; not compatible with 12mm axles
• Potential fits include Thumpstar, Atomik, Pitpro, DHZ Kayo, and Apollo
• Check axle hole size and mounting dimensions before purchase

80/100-12 Rim Tube Tire Complete Rear Wheel

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This 12″ rear wheel assembly is ideal for smaller dirt pit bikes and combines a complete wheel, tire, and tube with rotor and sprocket. It supports bearings ranging from 12mm to 15mm, allowing you to swap bearings to match your bike’s rear axle size. The wheel fits many 110cc–125cc dirt bikes and is commonly used on Apollo models. When ordering, carefully compare axle hole size with your bike’s hub. The kit includes a 428 chain sprocket and a rotor with an outer diameter around 187mm, ensuring reliable braking power for tight trails.

• 12″ wheel with 80/100-12 tire
• Bearings adjustable between 12mm and 15mm for compatibility
• Includes rotor and 428-41T sprocket
• Suitable for 110cc–125cc dirt bikes; common on Apollo models

12-Inch Rear Rim Wheel With Disk Brake

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This 12″ rear rim and disk brake assembly is designed for a range of dirt bikes requiring a 15mm axle. The package includes a rotor and a 41T sprocket (428 chain), making it a convenient upgrade or replacement for Apollo SSR 50cc–125cc motorcycles and similar models. It’s important to confirm axle hole size before ordering, as this kit uses a 15mm axle and will not work with 12mm axles. The wheel is compatible with many brands such as XR, CRF, TSD TD, Kayo, and DHZ across various years.

• 12″ rear wheel with disk brake and 15mm axle
• Rotor included; 41T (428 chain) sprocket
• Fits 50cc–125cc bikes; check hub compatibility
• Commonly used on Apollo and SSR platforms

14-Inch Rim Tube Rear Wheel 90/100-14

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This 14″ rear wheel rim with a 90/100-14 tire is a versatile option for pit bikes in the 125cc–160cc range. The axle supports 12–15mm sizes, and the wheel uses 15mm bearings. The rim width is around 6.86 cm and the overall diameter is roughly 38 cm, making it compatible with many common dirt bike setups. It includes a rotor and a 41T sprocket, so you can install and ride with confidence on dirt or light trail use. As with other kits, verify hub dimensions and mounting spacing before purchase.

• 14″ rim with 90/100-14 tire
• Axle hole size 12–15mm; 15mm bearings included
• Rim width about 2.7″ (6.86 cm); diameter about 15″ (38 cm)
• Includes rotor and 41T sprocket

1.85×14 Rear Wheel Rim Kit With Bearings

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This versatile 1.85×14 rear wheel rim kit is designed to fit a wide range of dirt bikes, with 15mm bearings and a robust rim structure. The kit includes rim strips to protect the inner tube from spoke contact and has 32 spokes, which contributes to durability on rugged trails. It’s suitable for many 90/100-14 tire configurations, including Apollo, KLX125, and TTR SSR models. As with other rear wheels, verify bearing ID and hub compatibility to ensure a proper fit on your bike.

• 14″ rear wheel rim; 1.85″ width
• Bearings: 15mm; 32 spokes
• Rim strips included to protect inner tube
• Fits many 90/100-14 tire setups; verify hub compatibility

Buying Guide: Key Considerations For Pit Bike Rear Wheels

Choosing the right rear wheel involves balancing size, compatibility, and included hardware. Here are the main considerations to help you decide which option best fits your pit bike and riding style.

• Wheel size and bike compatibility: 12″ wheels suit smaller bikes and tighter trails, while 14″ wheels provide more stability and smoother roll over obstacles. Check your bike’s frame clearance, swingarm length, and brake caliper spacing to ensure a fit.
• Axle diameter and bearing size: Common rear axles are 12mm or 15mm. Some wheels accept both (with bearing adapters or spacers), while others require a fixed size. Confirm your bike’s axle diameter and bearing ID before purchasing.
• Rotor and sprocket inclusion: Some rear wheel kits come with a brake rotor and a sprocket, which reduces install time. Others are sold as rims or rims with bearings only, requiring separate rotor/sprocket purchase. Decide whether you need a complete assembly or a bare rim.
• Brake mounting and bolt pattern: Disk brakes rely on rotor mounting patterns (e.g., 70mm or 65mm spacing) and bolt counts. Ensure the rotor mounting pattern matches your bike’s caliper and hub.
• Rim width and tire compatibility: Thicker rims can handle more rugged terrain but may limit tire options. Match the rim width with the tire size (e.g., 90/100-14, 80/100-12) to preserve suspension travel and steering feel.
• Hardware quality and durability: Look for solid rims, quality spokes, and reliable bearings. Rim strips are a nice addition to protect inner tubes from spoke wear, especially on rugged trails.
• Brand and model compatibility: Not all wheels fit every dirt bike model. Check compatibility lists or user reviews for your specific bike (Apollo, KLX, SSR, Kayo, TTR, DHZ, etc.).
• Installation considerations: Some kits require wheel alignment, spacers, or updated bolts. Ensure you have the necessary tools and follow torque specs for safety and performance.