Ultra 410 Mini U-Lock Color:Black e-tube is a two-prong system

e-tube is a two-prong system and is NOT cross compatible with Dura-Ace 7970 Di2 wiring

including Shimano Hyperglide and 9-

Designed with input from Fox's elite level race team

and neither can we

Ultra 410 Mini U-Lock Color:Black e-tube is a two-prong systemFeaturing a simple, strong and aggressive design, The ultra 410 is the ideal entry level u lock and rounds out the super ultimate and ultimate line up in. It's simple design conceals a number of high tech advancements in security. FEATURES: Innovative soft touch housing cover prevents damage to paint Shackle, body, and supporting elements made from temper hardened steel for cut and torsion resistance Pass through shackle provides anti twist protection