SiS GO Isotonic Energy Gel - Box of 30 Indoor Trainer Accessories or cross-country bikes

or cross-country bikes

It fits standard diameter bottles with secure retention

The stretch-resistant construction holds its shape during installation and under tire mounting pressure

the Zipp Service Course Seatpost gives you a dependable foundation for your fit at a price that makes it an easy call

Compatible with 27

SiS GO Isotonic Energy Gel - Box of 30 Indoor Trainer Accessories or cross-country bikesIs the SiS GO Isotonic Energy Gel Box of 30 worth it for training and racing? The SiS GO Isotonic Energy Gel Box of 30 gives you a full training block supply of the world's first isotonic energy gel: 22g of fast absorbing carbohydrates per gel, no water required, in the most proven endurance fuel format on the market. The isotonic formula matches your body's natural fluid balance, allowing the gel to empty from the stomach quickly and deliver energy