Shimano Short Battery Mount External/Internal Wiring MFPN=815-72-004-KIT is a mere button push

is a mere button push away

Micro-knurled side blocks Flat Protection Tread Color Black Defined Color Black ISO Width (mm) 56 ISO Diameter 507 / 24" BMX Tire Intended Use BMX Tire Diameter 24" Tire Bead Wire Labeled Size 24 x 2

Aero properties are further optimized with used of a hidden nipple system and DT Pro Lock nipples

Durable 7075-T6 construction for long wear-life stiffness and strength Tooth Count 32 Drivetrain Speeds 12 Round or Oval Round Offset 3

Shimano Short Battery Mount External/Internal Wiring MFPN=815-72-004-KIT is a mere button pushShimano Di2 External Battery MountsAll Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions Use Di2 system checker to update component firmware from http: e tubeproject. shimano. com