49N WHL RR 20" Coaster Nut Black

The 49N 20" Rear Coaster Nutted Black Wheel (often cataloged as 49N WHL RR 20" Coaster Nut Black) is a heavy-duty, budget-friendly replacement rear wheel designed for 20-inch kids' bikes and BMX cruisers that utilize a traditional coaster brake (pedal-backward brake). Built by the Canadian parts brand 49°N, this wheel offers a noticeably higher construction standard compared to generic stock wheels.

Technical Specifications

• Wheel Size: 20-inch (406mm ISO diameter).
• Hub Type: KT 305R steel coaster hub featuring user-serviceable cup-and-cone bearings.
• Axle Type: 110mm Over-Locknut Distance (OLD) bolt-on/nutted axle.
• Rim Profile: Alex Y303 single-wall aluminum rim with a pinned construction and a wide 24mm internal width to properly support high-volume tires.
• Spokes & Pattern: 36-hole count laced in a robust 3-cross (3X) pattern using 14-gauge (2.0mm) straight black stainless steel spokes and 12mm silver brass nipples.
• Sprocket Compatibility: Standard 3-spline coaster brake sprockets (most retail packages include both 16T and 18T cog sizes for flexible gearing).
• Total Weight: 1,329 grams.
• Aesthetics: Fully black rim, black spokes, and an anodized brake track to deliver a clean visual appearance when configured without secondary rim calipers.

This wheel is a reliable and stylish upgrade for bikes requiring a sturdy and affordable coaster-brake-compatible rear wheel.