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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 4 mm
  • The New CP100: Upgraded sound, lengthend umbrella and softer silicon used!
  • Ergonomically designed with the ability to flex in all direction and conform to the ear canal
  • Consistent seal & in-ear stability
  • Perfect for over-ear IEMs & earphones with unusual fits
  • Deeper & clearer sound. Improves sound quality overall in bass, treble, and sound stage

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


Includes 2 pairs of eartips 



Fits Earphone Brands including
iBFree / Dual Driver
XBA Series: 1, 2, 3, 4, 10, 40, 100 A1, A2, A3
Beats by Dre
Beats / Powerbeats / Powerbeats 2 / Powerbeats 3 / Beats X
StageDiver Series