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 assist 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 experience.
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 dwell knowledge Bosch collects from the interior motor inertial measurement unit, cadence, and torque sensors, the brand new CX motor can extra precisely and extra shortly react to actual path conditions.
An enormous good thing about that’s the new Hill Begin Help characteristic that enables the motor to immediately react once you put energy to a pedal, making it a lot simpler to start out climbing up free terrain, with a newfound smoothness to keep up traction.
Prolonged Increase is one other similarly-linked efficiency enchancment. Very like the signature longer energy assist you used to get solely within the CX Race motor, now you need to be capable of shortly kick the pedals on the brand new customary CX motor to get extra assist via slender technical sections the place you won’t be capable of maintain a clean steady pedal stroke. Bosch says this additionally helps eMTB riders choose up the entrance wheel to recover from more durable obstacles, making it a extra pure experience 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 customary 600Wh & 800Wh PowerTube inner 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 coloration show to point out 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 just like the standard Shimano show that has include MTB Di2 & EP8 ebikes for years. That was one of many issues I missed every time I’d swap from Shimano to Bosch techniques, so this little show shall be an enormous enhance for usability in my ebook.
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% assist issue multiplying the facility you place in on the pedals. Go SX if you would like one thing lighter and fewer highly effective, or CX Race if you would like much more energy.
Up to date Bosch Efficiency CX system – Availability
In fact, you may’t simply exit and purchase a brand new Bosch Efficiency CX system and slap it into an current ebike. However the new CX technology is already popping up in a bunch of latest efficiency eMTBs. And we count on to see it progressively substitute the earlier iteration as ebikes get up to date via the remainder of the 12 months into 2025. For now, you may take a look at 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.
