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AIMA Santa Monica specifications and in-depth review

AIMA Santa Monica

Manufacturer: AIMA

The AIMA Santa Monica is an aluminum-frame electric bike built for riders who want a capable and connected urban or road cycling experience. Weighing in at just over 29 kg, it carries a 720 Wh in-frame battery that keeps the overall silhouette clean, complemented by internal cable routing and integrated front and rear lighting. The bike supports a dedicated smartphone app and features a handlebar display, making ride data readily accessible without additional accessories.

On the performance side, the Santa Monica runs a mid-drive motor producing 750W and 70 Nm of torque, channeling power through an 8-speed drivetrain for a wide range of cadence options. Top assisted speed reaches 45 km/h, with both eco and turbo modes available to tailor energy use to the ride. A torque sensor pedal system ensures responsive, proportional assistance, while hydraulic disc brakes handle stopping duties. The removable battery charges in approximately 5 hours and supports a maximum range of 97 km per charge. Front suspension is included, though the setup does not feature rear suspension or folding capability.

Pros
  • The removable battery allows for convenient off-bike charging without needing access to a power outlet near the bike itself
  • Hydraulic disc brakes provide reliable and consistent stopping power
  • Both eco and turbo assist modes give riders flexibility in managing energy use across different riding conditions
  • A torque sensor pedal system delivers proportional motor assistance that responds directly to pedal effort
  • Integrated front and rear lights mean the bike is ready for low-visibility conditions without requiring add-on accessories
  • Internal cable routing and an in-frame battery contribute to a clean, uncluttered frame appearance
Cons
  • At over 29 kg, the bike is relatively heavy, which can make lifting, carrying up stairs, or transporting without riding more cumbersome
  • The lack of folding capability limits portability and makes storage in tight spaces less practical
  • No GPS is built in, so location tracking or navigation requires an external device
  • The absence of anti-theft features or a built-in lock means riders must carry separate security equipment
  • Rear suspension is not included, which may reduce comfort on rougher or uneven surfaces
Who is this for?

This bike is well-suited to adult riders who regularly cover longer urban or suburban distances and need dependable assisted performance. The 750W mid-drive motor with 70 Nm of torque paired with an 8-speed drivetrain makes it a strong fit for varied terrain and hilly routes where smooth power delivery matters. Riders who commute daily will benefit from the integrated lighting, smartphone app connectivity, and a 720 Wh removable battery that supports up to 97 km per charge and can be charged away from the bike. The torque sensor and dual assist modes also make it a practical choice for those who want a responsive, adaptable ride rather than a fixed-output experience.

Who is this NOT for?

Riders who need to carry their bike up stairs, load it into a vehicle frequently, or store it in compact spaces will find the 29 kg weight and non-folding frame a significant inconvenience. The absence of rear suspension means the bike is less forgiving on rough, uneven, or unpaved surfaces, making it a poor match for off-road or gravel riding. Those who rely on built-in GPS or integrated anti-theft features for security and navigation will need to supplement the bike with separate accessories, as neither is included. The bike is also not designed for children or younger riders.

Design:

frame material Aluminum
weight 29029 g
has front suspension ✓
has rear suspension ✕
has an in-frame battery ✓
can be folded ✕
has internal cable routing ✓
is designed for kids ✕

The AIMA Santa Monica is built around an aluminum frame with a total weight of 29,029 g, striking a balance between durability and manageable mass. The frame integrates the battery internally, keeping the overall lines tidy, and features internal cable routing for a clean finish. Front suspension is present to absorb road irregularities, while rear suspension is not part of the design. The bike is intended for adult riders and cannot be folded, making it better suited to fixed-route commuting or storage situations where compactness is not a priority.

Battery:

battery size 720 Wh
charge time 5 hours
Has regenerative braking ✕
has a removable battery ✓

The AIMA Santa Monica is equipped with a 720 Wh battery that provides a substantial energy reserve for longer rides. The battery is removable, which simplifies charging by allowing it to be detached and brought indoors without moving the entire bike. A full charge takes approximately 5 hours, and the system does not include regenerative braking.

Performance:

maximum distance per charge 97 km
braking system Hydraulic disc brakes
maximum torque 70 Nm
has a turbo mode ✓
has an eco mode ✓
motor power 750W
is a multi-gear bike ✓
number of gears 8
is a single-gear bike ✕
drive motor type Mid-drive motor
top speed 45 km/h

The AIMA Santa Monica uses a mid-drive motor rated at 750W with a maximum torque of 70 Nm, delivering power through an 8-speed drivetrain — the bike is a multi-gear setup and does not operate as a single-speed. Top assisted speed reaches 45 km/h, and the motor supports both eco and turbo modes to give riders control over how aggressively assistance is applied. Maximum range on a single charge is rated at 97 km. Braking is handled by hydraulic disc brakes, which provide consistent stopping performance across varying conditions.

Features:

pedal sensor type Torque sensor
has anti-theft features ✕
has a built-in lock ✕
Has a display ✓
Has a dedicated smartphone app ✓
has GPS ✕
has front light(s) ✓
has rear light(s) ✓

The AIMA Santa Monica uses a torque sensor to measure pedal input and adjust motor assistance accordingly, providing a more responsive and natural riding feel. A handlebar display is included for on-the-go ride data, and the bike is compatible with a dedicated smartphone app for expanded connectivity. Both front and rear lights are integrated into the bike. GPS is not built in, and the bike does not include anti-theft features or a built-in lock.

Final Verdict

The AIMA Santa Monica is a capable adult electric bike that brings together a well-rounded set of specifications for riders focused on longer-distance urban or suburban commuting. Its mid-drive motor with 720 Wh removable battery forms a dependable core, supported by hydraulic disc brakes, a torque sensor, and dual assist modes that together deliver a responsive and controlled riding experience. Practicality-minded features like integrated lighting, internal cable routing, and smartphone app support round out a bike designed for daily functional use rather than occasional leisure. Where it falls short — notably in weight, the absence of rear suspension, and a lack of built-in GPS or security features — reflects trade-offs that are worth considering depending on individual needs. For riders whose priority is consistent assisted range and reliable on-road performance over an easily portable or off-road-capable machine, the Santa Monica is a solid, well-specified choice.

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