Battery Holder locates a Shimano Di2 seat-tube-fit battery (Shimano SM-BTR2) inside a 3T seatpost, enabling easy fitting and removal of the battery. It is compatible only with 31.6 diameter seatposts.
- Material: Stainless steel (lip); AL-alloy (body)
- 31.6mm only
- Weight:12 g
For over half a century, 3T's products have been at the forefront of cycling technology. The Italian brand's dedication to innovation and performance has resulted in victories at the sport's biggest races including world championships, the Tour de France and the Giro d'Italia. Today, 3T has reaffirmed its connection to the sport with highly innovative frame designs that empower riders to explore cycling in new ways. Meanwhile, the Torino-born brand's leading position in the area of cockpits and seatposts means the famous 3T logo remains the mark of a true cyclist. Read more about 3T.
Founded by real cycling enthusiasts in 2004, our passion for elite performance runs through everything we do at Saddleback. Our team of dedicated roadies, mountain bikers and triathletes practice what we preach to bring you the finest cycling products and a superior service to match. We're the official UK home of 3T, Castelli, Chris King, ENVE, HJC, Intense, Moots Cycles, Peaty's, PUSH, Sidi, Silca, Stages, Troy Lee Designs and Wolf Tooth.