The Cool Bottle 105 Altus 3x9 speed front derailleurTop

Altus 3x9 speed front derailleurTop gear: 40TCapacity: 18TTop-mid tooth difference: 10TChainstay angle: 63-66°Chainline: 50mm

With the addition of lightning fast WiFi

11-speed POWERLOCK® and smooth

Stage three ball ideal for use on 36 ft courts and driveways

Same light shifting operation as ULTEGRA R8000

The Cool Bottle 105 Altus 3x9 speed front derailleurTopYouve got a great bike. Youve spent the time training. Now its time to beat the heat. Its no secret that keeping your cool is faster. The cool bottle offers a new and simple way to improve your race performance simply by taking advantage of thermodynamics. Melting of ice stores a massive amount of energy, and this energy can be used to help cool down your body. This is the first device that will actively lower your core body temperature through