Redshift Di2 Battery Holder for 27.2mm Diameter ShockStop Seatpost Brand_Shimano Low profile collar to avoid

Low profile collar to avoid skin irritation

Seatpost 165g

regardless of whether round or oval linkage because he adapt to the shape

Graphene 1C Compound

double-ply casing that combines an abrasion-resistant

Redshift Di2 Battery Holder for 27.2mm Diameter ShockStop Seatpost Brand_Shimano Low profile collar to avoidDI2 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