Redshift Di2 Battery Holder for 27.2mm Diameter ShockStop Seatpost Brand_Shimano The result of extensive research

The result of extensive research and development

accurate and powerful direct-drive trainer

double-ply casing that combines an abrasion-resistant

Numerous grip edges for hard ground

Low profile collar to avoid skin irritation

Redshift Di2 Battery Holder for 27.2mm Diameter ShockStop Seatpost Brand_Shimano The result of extensive researchDI2 BATTERY HOLDER FOR 27. 2MM DIAMETER SHOCKSTOP SEATPOST The Di2 Battery Holder securely mounts your Di2 battery inside of your ShockStop Seatpost. This kit is for mounting your Di2 battery inside your ShockStop Endurance Seatpost or ShockStop PRO Endurance Seatpost securely. If you have the ShockStop "PRO Race", you do NOT need this kit because any Di2 seatpost adapter will work in the "PRO Race" version. If you have the standard ShockStop