Icetoolz Portable Chain Tool Protectors Battery： Li-ion rechargeable battery (3

Battery： Li-ion rechargeable battery (3

Stainless base plate onto the braze-on on the seat tube

The MISURO B+ sensor processes speed and cadence data to send to compatible apps/devices/computers

Reduces stress on the roller for a longer life

*Highly ventilated: 21 holes

Icetoolz Portable Chain Tool Protectors Battery： Li-ion rechargeable battery (3For Shimano compatible HG UG IG chains The thumb lid isolates the finger from the greasy chain while locates the chain at the right position With chain connectors case . Patented Perfect for 5, 6, 7, 8, 9, 10, 11 and 12 speed chains Product Dimensions : 8. 9 x 5. 9 x 1. 7 cm Weight : 0. 136kg Color : Silver, Black, Orange Material : Cr Mo Steel