Aventon Ramblas e-bike unveiled as brand’s first mid-drive performance electric bike
Aventon, the San Diego-based electric bike brand known for pushing the budget electric bike market into higher quality territory, has just announced its highest-performance model yet. The new Aventon Ramblas is the brand’s first dedicated electric mountain bike and features an Aventon-developed mid-drive motor with impressive torque and power.
Despite Aventon being known largely as a lower-cost electric bike company, the Ramblas looks set to compete with e-bike models well outside of Aventon’s normal stomping grounds.
The move makes sense for Aventon though, which has spent the last few years rolling out progressively more refined and higher-quality models that focus on bringing more features into the budget category.
The Ramblas takes that initiative further than ever for Aventon, especially with the company’s new powerplant. For the first time ever, Aventon is showing off its A100 mid-drive motor with torque sensor, which was developed in-house by the company to power the new Ramblas electric mountain bike.
The IP67-rated motor comes with personalized tuning capabilities via the Aventon app and features a total of 15 pedal assist levels made up of three profiles (eco, trail, and turbo) each with five levels. The motor carries a 250W continuous power rating, a 100 Nm torque spec, and can also be completely submerged in water.
Don’t be worried about that supposed “250W” designation on the motor. Nearly every mid-drive motor on the market is rated at 250W, which helps offer the widest distribution options, including in countries with lower power limits. As the company explained, the real peak output power maxes out at 750W:
Ramblas’ motor maintains a nominal output of 250w, where “nominal” signifies the sustained power output during a standardized test over a specific time. Depending on the motor type, turbo mode with full power can deliver peak power of 750 watts. This is great for climbing hills and on trails, as well as rolling through city streets.
The 100 Nm torque rating provides the real “oomph” info, as torque ratings are not regulated and thus motor manufacturers don’t have to play underrating games with the spec sheet in order to slip them past regulators. Since torque values can tell the real deal, they’re the best way to gain insight into a motor’s actual performance from the spec sheet.
In this case, 100 Nm puts Aventon’s new mid-drive motor near the top of the list for retail motors, surpassing essentially all the various motor models offered by industry heavyweights such as Bosch, Brose, Yamaha, and Shimano.
Powering the motor is a 36V 708Wh battery comprised of 21700-format LG battery cells. The company claims it can support a range of up to 80 miles (130 km).
The 56-lb (25.4 kg) 6061 aluminum e-bike includes a RockShox 35 fork with 130mm of travel, SRAM NX Eagle 12-speed drivetrain, KS dropper seat post, and 4-piston SRAM hydraulic disc brakes with a 200mm rotor in the front and 180mm rotor in the rear. LED lighting is also built into the chainstays to keep the bike visible from the rear.
The bike is available in four frame sizes of S, M, L, and XL. All models feature 29×2.4″ Maxxis tires except for the S frame size, which includes 27.5×2.4″ Maxxis tires.
The e-bike lacks a throttle and maxes out at 20 mph (32 km/h), keeping it within Class 1 designation in the US and ensuring access to the largest number of mountain bike trails possible.
The Aventon Ramblas carries an MSRP of $2,699 and is already available from Aventon’s site as well as the company’s wide network of local dealers.
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The US announced two proposals for offshore wind sales that could generate more than 18 gigawatts (GW) of clean energy – enough to power more than 6 million homes.
New US offshore wind auction areas
The offshore wind auction areas announced by the US Department of the Interior and the Bureau of Ocean Energy Management (BOEM) are off the Oregon coast and in the Gulf of Maine. It’s the first in a five-year lease schedule that could see up to 12 separate offshore wind auctions.
The US has already held four offshore wind lease auctions in the New York–New Jersey region, off the Carolinas, and off the Pacific and Gulf of Mexico coasts.
Gulf of Maine
The first-ever offshore wind energy auction in the Gulf of Maine would include eight lease areas off the Maine, Massachusetts, and New Hampshire coasts. The nearly 1 million acres have the potential to generate approximately 15 GW of renewable energy and power more than 5 million homes.
This auction is exciting because BOEM wants to conduct simultaneous auctions for each of the eight lease areas using multiple-factor bidding.
In July 2023, Governor Janet Mills (D-ME) signed legislation to procure up to 3 GW of offshore wind energy in the Gulf of Maine by 2040. Offshore wind is banned in Maine state waters to protect the commercial lobster harvesting industry.
Oregon
The proposed lease sale in Oregon includes two lease areas totaling 194,995 acres – one in the Coos Bay Wind Energy Area and the other in the Brookings Wind Energy Area – which have the potential to power more than 1 million homes with renewable energy. The areas were finalized by BOEM in February.
The Coos Bay WEA is 61,204 acres and located approximately 32 miles from shore. The Brookings WEA is 133,808 acres and approximately 18 miles off the coast.
The state of Oregon has set a goal of achieving 3 GW of offshore wind by 2030.
Due to deep waters, any offshore wind farms in the Gulf of Maine and offshore Oregon will consist of floating wind turbines.
Read more: California exceeds 100% of energy demand with renewables over a record 30 days
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Tesla’s next-gen Dojo AI training tile is in production, according to supplier Taiwan Semiconductor Manufacturing Company Limited (TSMC).
Tesla has been heavily investing in AI training compute power both through buying NVIDIA hardware and building its own under its Dojo program.
The first generation of its Dojo super computing platform went into operation last summer.
Shortly after, it was reported that Tesla had expanded its partnership with TSMC, a large semiconductor company that manufactures the Dojo chip for the automaker.
Now, TSMC has confirmed that Tesla’s next-generation Dojo chip has entered production and they are working on tech that could deliver much greater power to Dojo in 2027 (via IEEE Spectrum):
At TSMC’s North American Technology Symposium on Wednesday, the company detailed both its semiconductor technology and chip-packaging technology road maps. While the former is key to keeping the traditional part of Moore’s Law going, the latter could accelerate a trend toward processors made from more and more silicon, leading quickly to systems the size of a full silicon wafer. Such a system, Tesla’s next generation Dojo training tile is already in production, TSMC says. And in 2027 the foundry plans to offer technology for more complex wafer-scale systems than Tesla’s that could deliver 40 times as much computing power as today’s systems.
This new tile is likely going to be used for Tesla’s new planned $500 million Dojo cluster in New York.
Sperately, Tesla is building a new 100 MW data center to train its self-driving AI at Gigafactory Texas, but we were told that this system is going to use NVIDIA hardware.
Tesla’s Dojo program hasn’t been all smooth sailing. In December, we reported that two of the top executive engineers behind the program left the company.
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