There’s an all-new Bosch Efficiency Line CX ebike motor. It has the identical torque output, the identical peak & nominal energy, and even the identical pedal-assist help multiplier. So, what makes it higher?
Bosch says the actual upgrades are smoother, quieter operation, and a extra pure really feel whereas using. Plus, they declare that it’s 3% lighter, which boosts its power-to-weight ratio. And who doesn’t wish to save 100g?
Bosch Efficiency CX eBike motor will get new upgrades
Bosch dubs this newest technology of their CX motor: “Energy meets Management“.
It’s a mix of improved sensor expertise inside mixed with smarter energy supply administration programming – all inside a barely lighter magnesium casing. Described as extra responsive, extra managed, and extra direct, Bosch says the brand new motor creates a extra “pure using expertise”. And that’s to sophisticated supplies and gears contained in the gearbox, Bosch decreased the noise of the motor spinning for a quieter eMTB journey.
The brand new Bosch Efficiency CX eBike motor (BDU384Y) weighs a claimed 2.8kg (down 100g from the earlier technology.
What’s really new?
By each bettering and “reinterpreting” the stay knowledge Bosch collects from the inner motor inertial measurement unit, cadence, and torque sensors, the brand new CX motor can extra precisely and extra rapidly react to actual path conditions.
A giant advantage of that’s the new Hill Begin Help function that permits the motor to immediately react while you put energy to a pedal, making it a lot simpler to begin climbing up free terrain, with a newfound smoothness to take care of traction.
Prolonged Increase is one other similarly-linked efficiency enchancment. Very like the signature longer energy help you used to get solely within the CX Race motor, now you must be capable to rapidly kick the pedals on the brand new normal CX motor to get extra help by slim technical sections the place you may not be capable to maintain a easy steady pedal stroke. Bosch says this additionally helps eMTB riders decide up the entrance wheel to recover from harder obstacles, making it a extra pure journey really feel to get probably the most out of pedal-assist.
There’s additionally the automated digital shift integration with the brand new TRP A12 E.A.S.I derailleur system that we previewed at Eurobike, together with AI-managed good help ranges and the brand new further vary Eco+ mode.
New 600Wh & 800Wh PowerTube batteries
Batteries and their capacities are sometimes the purviews of particular person ebike makers. However now two new normal 600Wh & 800Wh PowerTube inside battery choices will make it straightforward for a lot of producers to spec a lighter or longer vary setup.
Plus, there’s the 1.5kg PowerMore 250Wh exterior vary extender that’s in regards to the measurement of a water bottle (however requires a proprietary mount) to take you additional,
New Purion 400 show
Bosch additionally has a brand new small handlebar-mounted shade show to indicate you retain eMTB stats at a look, with out getting in the best way. The brand new Purion 400 sits subsequent to your stem, and appears strikingly much like the everyday Shimano show that has include MTB Di2 & EP8 ebikes for years. That was one of many issues I missed every time I might change from Shimano to Bosch methods, so this little show can be a giant enhance for usability in my e-book.
Tech particulars
You continue to get a max 85Nm of torque, a max 600W of motor energy (nonetheless rated 250W nominal to satisfy ebike rules), and a max 340% help issue multiplying the ability you place in on the pedals. Go SX in order for you one thing lighter and fewer highly effective, or CX Race in order for you much more energy.
Up to date Bosch Efficiency CX system – Availability
After all, you possibly can’t simply exit and purchase a brand new Bosch Efficiency CX system and slap it into an present ebike. However the new CX technology is already popping up in a bunch of latest efficiency eMTBs. And we count on to see it steadily exchange the earlier iteration as ebikes get up to date by the remainder of the yr into 2025. For now, you possibly can try new ebikes just like the Focus JAM² and the Santa Cruz Vala that get the brand new smoother motor and up to date ebike drive system.