ALTA 20" GT Style 6-Spoke Mag Rims–Plastic BMX Wheel Front or

Bring a classic BMX and lowrider aesthetic to life with this fully integrated setup from ALTA. Every component in this set — from the bold 6-spoke mag wheels to the precision 8-key release freewheel and safety reflectors — is designed to work together seamlessly, giving you a complete solution for style, performance, and function.

Each piece in this system is designed for 20” single-speed BMX, lowrider, or cruiser bikes and shares:

• Compatible hub sizes (3/8" axle)

• Matching color schemes and styling

• Threading and sizing standards (1.37 x 24 TPI)

• Universal Schrader valve support

• Same trusted brand: ALTA

🔧 1. ALTA 20" GT Style 6-Spoke Mag Rims (Front or Freewheel) FeatureSpecificationWheel Size20 Inch (Fits 20 x 1.75 – 2.40 Tires)Outer Width38mmSpoke StyleGT-Style 6-Spoke Mag (Molded Plastic)Rim TypeSingle WallValve TypeSchrader (Standard car-style valve)MaterialDurable Plastic CompositeHub (Front)3/8" AxleHub (Rear)3/8" Axle (1-Speed Freewheel compatible)ColorsBlack, White, Blue, Red, Green, Pink, Purple, YellowBrandALTA

✔ Perfect for show bikes, cruisers, BMX builds, and youth bikes
✔ Lightweight, rust-proof, and weather-resistant

⚙️ 2. ALTA Single-Speed Freewheel – 8-Key Release

FeatureSpecificationSpeedSingle-SpeedGear Options16T, 17T, or 18TChain Width1/8 Inch (Standard Single-Speed)Thread Size1.37" x 24 TPI (Standard Freewheel Threads)Release Type8-Key Lock Ring (Tool-Removable)ColorsChrome, Black, BrownBrandALTA

✔ Compatible with ALTA mag rear wheel (freewheel hub)
✔ Tool-friendly 8-key release for easy maintenance or gear swaps
✔ Works with single-speed chains (1/8") – perfect for cruisers and BMX
🛡️ 3. ALTA Wheel Reflectors Set – Safety & Visibility FeatureSpecificationMaterialPVC (Durable Plastic Construction)Mount StyleClip-On Spoke MountColors1 Red & 1 Amber (per set)Sold AsPair (2 Reflectors)BrandALTA 
✔ Universal fit on all spoke wheels, including ALTA mag rims
✔ Meets basic safety visibility standards for street use
✔ Easy clip-on installation – no tools required 
✅ Why This Set Works Perfectly Together:

• Matching Sizing & Threading: Freewheel threads directly onto the mag rim’s freewheel hub (1.37 x 24 TPI)

• Axle Compatibility: Both wheels use 3/8" axles, making them plug-and-play on most BMX, lowrider, and cruiser frames

• Design Continuity: Consistent styling from wheel color to spoke reflectors ensures a professional, custom-finished look

• Brand Reliability: All components are made by ALTA, ensuring perfect fitment, uniform quality, and color matching

🛒 Perfect For:

• Classic GT-style BMX builds

• Lowrider restorations

• Youth bikes needing a bold style upgrade

• Custom cruisers with single-speed drivetrains

• Anyone seeking a matching, ready-to-go wheel setup