Last updated 10 years ago
Tenergy is a very good rubber as long as you feel you can handle the speed of it. The other rubber I like is XIOM Vega Pro. This is what Jeff and I use. I haven't used the Calibra but the main test is how you feel with it. If you decided that it is comfortable for you then stay with it. If not change and use one of the two I mentioned or the two you have bought. Whatever it is once you decide, just stay with it and train hard.
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