What are the delivery costs?

We offer Free UK Mainland Delivery on all orders over £20. Products shipped to outlying UK regions are excluded from free shipping.

Standard delivery is normally 2 - 5 working days.

Please view our delivery page for full information on UK and international delivery costs.

The power house of Dura-Ace Di2 is a long-life 7.4V Li-Ion battery that is both compact and reliable, taking shifting effort away from you

The Features of the Shimano SM-BTR1 Dura-Ace 7970 and Ultegra 6770 Di2 Battery are:

• Excellent sealing and reliability have been proven through repeated field tests in various ridingconditions, including extreme temperatures, rain, mud, and cobble stone roads
  
  
• Using a hard wired battery system which is both light weight and accurate compared to current wireless technology (as a wireless system would require 4 batteries: one for the RD, one for the FD, and one for each shift lever)
  
  
• The use of a single small and discreet battery is light weight, efficient and creates a robust and reliable system
  
  
• Comes with a bike-friendly mount to allow it to fit most road bike bottle cage bosses
  
  
• Optional battery mount adapter is available if standard mount is not compatible
  
  
• Reliable and secure water resistant terminals
  
  
• Easily removable for charging
  
  
• Battery weight is 68 grams
  

Occasionally, without notice, manufacturers change product design and/or specifications.