Oh yeah I use these exclusively- I actually just got another pair in the mail to go with the Masi Giramondo 27.5 I ordered over the weekend. I love them because I have a strong tendency to ride all of my bikes off road regularly and they hold on well. I also sort of dig that they quickly deliver some character to your bottles (I'm a Kleen Kanteen user- the sport top is fine for me because I'm not doing performance riding- I don't mind slowing down or stopping for a drink)