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SpinFit | Products

Check out what we have to offer at SpinFit. Single flange & double flange replacement ear buds for your earphone. Available in various sizes.

replacement silicone eartips, ear bud, ear piece, 360 rotation, supreme comfort, optimal seal


The different size ear tips accommodate to different ear canals.

Choosing the proper size is critical for a secure, comfortable, and quality result. If you’re unsure, medium size fits most users comfortably.


Different models are designed with different core sizes to fit all major earphone brands. 

The core sizes of the SpinFit Eartips are provided below. 

Measure the soundport nozzle of your earphone, and pick the model that best fits your earphone.

Model Core size Soundport Nozzle
Single Flange
CP800 2 mm 3 - 3.5 mm
CP100 / CP100+ 4 mm 4.5 - 5.5 mm
CP145 4.5 mm 5 - 6 mm
CP155 5.5 mm 6 - 7 mm
CP500 5.5 mm 6 - 7 mm
Single Flange (for True Wireless)
CP100Z 4 mm 4.5 - 5 mm
CP350 5 mm 4.5 - 5.5 mm
CP360 3.6 mm 4 - 5.5 mm
CP1025 3.6 mm 4.5 - 5.5 mm
Double Flange
CP240 4 mm 4.5 - 5 mm
CP240 w / insert 3 mm 2.5 - 3 mm

Still unsure or want to know the compatibility with a specific earphone model? Contact us and we will solve any problem you have!


  • Eartip core has a inner diameter of 5.5 mm
  • Specifically designed for earphone soundport nozzles that has a wider tip.
  • The unique groove inside the eartip ensures a more secured fit on the earphone.
  • With supreme comfort, the elongated design of the umbrella provides the optimal seal for your ear canal.
  • Compatible Earphone Brands includes: JVC, Final, Pioneer, audio-technica

    All images shown are for illustration purpose only, actual product may vary in color.


Includes 2 pairs of eartips 


Transparent Black

Fits Earphone Brands including
E3000 / E1000
HA-FW10000 / HA-FX1100 / HA-FX99X-B
earphone soundport nozzles that has a wider tip