Shimano Battery Mount - BM-E8031 SHIMANO STEPS - Integrated Type Battery Mount - Down Tube Position - Without Key Unit MountFor a refined and integrated aesthetic, SHIMANO STEPS BM-E8031 battery mount integrates into the downtube of compatible E-BIKE frames. FEATURES: High level of water-resistant performance (IPX5) More compact size Improved usability of double ratchet removal Capacity: 504 Wh (36 V, 14 Ah) SPECIFICATIONS: MODEL NO BM-E8031-A SERIES SHIMANO STEPS E6100 Series Color Standard Average weight 0.33 (Power cable: 250 mm) 0.34 (Power cable: 400 mm) Position Integrated Compatible battery BT-E8035 BT-E8035-L BT-E8036 Power cable ✔ Power cable length (mm)_250 ✔ Power cable length (mm)_400 ✔ Cable length to EW-CP100 (mm) 200 Compatible tool TL-BME04 (for BT-E8035) TL-BME05 (for BT-E8035-L/BT-E8036) Connect to EW-CP100 ✔