> C.B. Design Wheels > F1 / Modified Style Wheels

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C.B. Design F1 / Modified style wheels offer the following features and benefits:


  • Precision machined using state-of-the-art CNC machine tools which ensure CBD F1 /Modified Style Wheels are perfectly round and the axle bore is concentric with both the outer wheel surface and longitudinal axis of the axle.
  • Perfect concentricity between the axle bore and longitudinal axis of the axle is achieved by designing all CBD Wheels for a specific axle ( SIPA01). Tolerances between the axle bore and axle are very snug. When mounting or dismounting CBD Wheels on the recommended axle, resistance will be noticeable. Again, this is by design - the snug fit ensures concentricity is maintained when the set screw is tightened. The result – ZERO wheel wobble or vibration which translates into better performance whether in a straight line or while cornering.
  • Lightweight aluminum design. There are plenty of lightweight wheels on the market; however, light weight by itself does not guarantee a car's performance will improve. Only when the design and manufacturing prerequisites described above are present will lighter weight have the potential to translate into improved performance. Because all CBD Wheels satisfy these prerequisites, serious racers may notice enhanced acceleration and braking.
  • True hubless design provides exceptional flexibility when adjusting the rear track width. This is particularly important when rules specify the wheel/tire must be completely inside the fender and/or a maximum track width. Sidewinder setups can be especially challenging in this respect. In particular, CBD F1 /Modified Style Wheels provide serious racers the ability to run wider tires under a greater variety of cars than our competitor's full and "small" hub wheel designs.
  • Easy to locate the retaining set screw using a small dimple machined on the outside of wheel. This is especially helpful if the tire is glued to the wheel and you can’t easily peel the tire back to locate the set screw.
  • Affordable alternative to other manufacturer’s more costly high-performance wheels.
  • Realistic design is based on actual F1 wheels - as such, CBD F1 / Modified Style Wheels complement a wide variety of 1/32 slot cars makes and models.
  • Flexible design accepts a variety of (all compounds) tires if desired.   


What Size Wheels Are Available?

CB Design F1 / Modified Style Wheels are available in five (5) sizes:

  • 14x8mm (Front)
  • 15x8mm (Front) 
  • 14.5x12mm (Rear)
  • 15x10mm (Front or Rear)
  • 15x11mm (Front or Rear)

What Tires Fit These Wheels?

We offer exclusive Tire Selectors for Quick Slicks (silicone) and Paul Gage (urethane) tires.  For more information, please click the link below.

Tire Selectors


Tips For Using CBD Wheels

To ensure the best possible performance and to prevent inadvertent damage to the axle and/or CBD Wheels, please review and follow these tips.

  • Use ONLY the recommended axle - (tm) part number SIPA01. As mentioned previously, CBD Wheels were designed specifically to fit this axle. Note that other manufacturers "3/32 inch" axles and drill blanks do NOT have the same EXACT outer diameter as the (tm) axle. As a result, these axles and/or drill blanks are either too small (loose fit = wobble/vibration/hopping) or too large (wheel will not fit - the wheel will be damaged if forced on).
  • Use a new axle. Used axles often have scratches and/or foreign material present on the outer surface which can prevent the CBD Wheels from fitting onto the axle properly (yes - the tolerances are that close...).
  • Ensure the inside face of the wheel is perpendicular to the axle before pushing the wheel onto the axle. When the axle is lined up properly with the CBD Wheels axle bore, minimal effort should be required to push the wheel onto the axle. A small but noticeable amount of resistance is normal - this "snug" fit is part of the CBD Wheels design. Never force the wheel onto the axle!
  • Even with precision machined parts, there will be some variation from one part to the next. This holds true for the recommended (tm) axles and CBD Wheels. Occasionally you may have an axle with a slightly larger than normal outer diameter and a CBD Wheel with a slightly smaller inner diameter (axle bore) - the result may be a very "snug" fit. When this occurs, slowly twisting the CBD Wheel as it is being pushed onto the axle will sometimes help. Again, don't force the wheel on the axle!
  • If a given CBD Wheel cannot be pushed onto the axle after following the tips above, try using another (new) axle if one is available.
  • Don't overtighten the retaining set screw! The set screw just needs to be snug - overtightening can strip the threads in the wheel. This tip applies to all aluminum "set screw" wheels - not just CBD Wheels.

Note:  Cars shown in pictures are NOT included!


  1. Can I use the CBD Wheels on knurled axles?  No!  Doing so will damage the wheel.  See "Tips For Using CB Design Stock Car Wheels" for more information.
  2. How much do CBD Wheels weigh?  Rear - 1.5g; front - 1.5g