The Wheel Shop Alex C1000 / Formula FM-31-QR 24" Rear Wheel is an entry-level, highly affordable replacement wheel designed for traditional 24-inch bikes.

Key Features:

• Thread-on Freewheel Interface: This wheel is built with a thread-on freewheel interface, making it a direct mechanical fit for older mountain bikes, youth bikes, or budget commuters. It is not compatible with modern cassette freehub bodies.

Technical Specifications:

• Rim Model: AlexRims C1000 (also cataloged as Z1000, finished in Silver).
• Rim Construction: Single-wall aluminum alloy with ground sidewalls for smooth braking friction.
• Wheel Size & ISO: 24" / ETRTO 507 mm.
• Inner Rim Width: 19.6 mm to 19.9 mm, optimized for tires ranging from 24" x 1.5" to 2.125".
• Hub Model: Formula FM-31-QR.
• Axle & Spacing: Quick Release (QR) style with standard mountain bike 135 mm rear dropout spacing.
• Gearing Compatibility: Thread-on Freewheel, typically fits 5-speed, 6-speed, or 7-speed freewheels.
• Brake Compatibility: Rim brake only, with a machined aluminum brake track.
• Spoke Configuration: 36 holes, laced with zinc-plated steel spokes for everyday structural stability.
• Valve Type: Schrader valve drilling.

This wheel is a practical and cost-effective solution for replacing or upgrading wheels on older or budget-friendly bikes, ensuring reliable performance and compatibility with traditional setups.