Butler Conversion to 34 oz

This kit from Glass Act lets you convert your 20 oz Butler system to the larger 34 oz system.  Kit includes a 34 oz compression ring and the 34 oz mug set-up with lids and straws.  Attaches to your existing Butler mounting bracket in seconds.  Perfect for those long, hot summer rides!  Compression ring, mug, lid and straw only - hardware for mounting to your bike is not included in this kit.