Redshift Di2 Battery Holder for 27.2mm Diameter ShockStop Seatpost Brand_Shimano accurate and powerful direct-drive trainer

accurate and powerful direct-drive trainer

Seatpost 165g

Numerous grip edges for hard ground

features the use of a layer of compound mixed with aramid which covers the inner layer of the tire

For SHIMANO 24mm MTB cranks

Redshift Di2 Battery Holder for 27.2mm Diameter ShockStop Seatpost Brand_Shimano accurate and powerful direct-drive trainerDI2 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