Speed Box 1.0 Carriers Get the most out of

Get the most out of your intense workouts by training on realistically simulated inclines up to a 25% gradient

Includes versatile silicone rubber mounting strap

The Di2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting

3 mm) Q Factor 53 mm

Aluminium rivets

Speed Box 1.0 Carriers Get the most out ofZipp's Speed Box 1. 0 is designed to mount securely to a bike's top tube to hold nutrition and small items conveniently within reach. Featuring solid molded EVA construction, water resistant zippers, and 3 point Velcro attachments, the Speed Box 1. 0 is a lightweight, easy to use alternative to traditional saddle bags. Speed Box 1. 0 : 18 cubic inches 65g Solid molded EVA construction Water resistant seam sealed zippers Three point Velcro strap