- Serie Sport Silicone (22 mm): compatibile con Balance Ultra, Balance 3, Cheetah 2 Ultra, T-Rex 3 Pro 48 mm, Active Max, Balance 2, Bip Max, Bip 6, T-Rex 3, Balance, Cheetah Pro, Cheetah Round, Bip 5, Bip 5 Unity, GTR 4, GTR 3 Pro, GTR 3.
- Serie Sport Silicone (20 mm): compatibile con Cheetah 2 Pro, T-Rex 3 Pro 44 mm, Active 3 Premium, Active 2, Active, GTR Mini, GTS 4, GTS 4 Mini, GTS 3.