Zipp SL Speed DI2 Internal Battery Mount
Designed for use with the SL Speed speatpost, we’re also introducing an Internal Mount to hold a Shimano® DI2 seatpost battery within the SL Speed Seatpost (sold separately as an accessory).*
Weight: 19g for 31.6mm
18g for 27.2mm
* Mount compatible only with new SL Speed seatpost.