ZIPP SL Speed DI2 Battery Mount for 27.2 Seatpost pickuponly Microfiber backing provides a smooth

Microfiber backing provides a smooth

accelerate and sprint faster

9mm open dropout design

this comfortable shirt will see heavy rotation in your wardrobe

The Ruffian Lock-On grip combines an ultra narrow knurled surface and Lock-On Grip System technology for the ultimate in control

ZIPP SL Speed DI2 Battery Mount for 27.2 Seatpost pickuponly Microfiber backing provides a smoothDesigned for use with the Zipp SL Speed speatpost; an internal mount to hold a Shimano DI2 seatpost battery. Mount compatible only with B1 SL Speed seatpost Weight: 18g for 27. 2mm Note: We have found this to work on almost all 27. 2 seatposts!