The Quick Slicks CB21XF high-performance silicone racing tire is intended for rear-tire applications where outstanding traction and consistent performance are important. CB21XF tires have a finished outside diameter of 19.50mm and an 11.55mm-wide contact patch. Their realistic rounded outer sidewalls and rounded transition between the inner sidewall and contact patch help provide smooth, predictable cornering performance.
Quick Slicks CB21XF Specifications
- Quick Slicks part number: CB21XF
- Tire type: Rear slot car tire
- Compound: X-Firm silicone
- Primary (target) wheel size: 14.5mm x 12mm F1-style wheels
- Secondary wheel sizes: 15.8mm x 12mm BMSlot Works and CB Design wheels
- Outside diameter: 19.50mm
- Contact-patch width: 11.55mm
- Quantity: One pair
Outside diameter shown is for the primary wheel size. OD will vary slightly for secondary wheels (if applicable).
What Cars and Wheels Fit Quick Slicks CB21XF?
CB21XF uses the CB21 fitment reference. “CB21” identifies the tire size and fitment, while “XF” identifies the X-Firm silicone compound.
CB21XF has 5 known car and wheel fitments from manufacturers including CB Design, Scalextric and Slot.it. Because some applications may include special installation notes or wheel requirements, use the complete part-number fitment guide before ordering.
View All CB21XF Car and Wheel Fitments
Fitment note: Slot car wheel and chassis specifications can vary between models and production versions. Confirm the wheel size, tire dimensions and fitment notes before ordering.
Looking for a Quick Slicks Tire by Car Manufacturer and Model?
Use the Quick Slicks Tire Selector to search for tires by slot car manufacturer and model. You can also browse the Quick Slicks tire fitment guides by manufacturer and model.
Quick Slicks Tire Sizing Resources
Compare finished tire measurements using the Quick Slicks Tire Dimension Summary.
Where Are Quick Slicks Made?
All Quick Slicks tires are made in the U.S.A. by veteran-owned businesses.