Shimano Battery Mount - BM-E8031Shimano 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

Niner's Constantly Varying Arc

It’s everything you could want in a modern day cross-country trail bike

SRAM GX rear derailleur takes the place of X

Extruded body

The outer size of the bearing is standard 42mm for PF30 bottom brackets

(160-180mm)

Kona Carbon

An extra large

BB Shell Width (mm): 73mm

Machined in California from US-made billet aluminum and stainless steel

All this leads to a brake with reduced pad wear

from the MIPS system and multiple certifications (CPSC