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Size height/inseam range
Rider Height
Inseam Range

Geometry

Sinch 2.5 Ebike is available in 1 sizes to suit most adults.

Frame Size One Size
A - Seat Tube Length 400mm (15.75")
B - Top Tube Length Horizontal 675mm (26.6")
C - Bottom Bracket Drop 0mm (0")
D - Head Tube Length 165mm (6.5")
E - Head Tube Angle 72°
F - Seat Tube Angle 71°
G - Rear Chainstay Length 420mm (16.5")
H - Front Wheel Center 717mm (28.2")
I - Wheelbase 1137mm (44.8")
J - Reach 491mm (19.3")
K - Stack Height 534mm (21")
L - Fork Length 410mm (16.1")
M - Fork Offset 50mm (2")
N - Trail 44mm (1.7")
Wheel Size 20" x 4.0"
Stand Over Height 390mm (15.35")
Rider Height 4'11" - 6'3"

FAQs

The Sinch 2.5 comes with upgraded hydraulic disc brakes, a suspension seatpost, Shimano branded drivetrain, left hand throttle, and the new BC147 display
Sinch 2.5 uses upgraded hydraulic disc brakes, while the Sinch 2.0 uses mechanical disc brakes. This was one of the most commonly requested upgrades on the Sinch 2.0. The hydraulic brakes offer more stopping power and better modulation. This increases overall safety, allowing riders to stop faster and more effectively.
In an effort to enhance a seamless riding experience, we have removed the motor cutoff sensors. Much like the majority of performance E-bikes on the market, the removal of that cutoff allows riders to have more control over the motor output and the bikes behavior overall. It also removes the need for 2 additional wires from the brake and wiring harness. Reducing the number of connections and wires ultimately reduces the number of possible failure points. It also give shops and riders the ability to swap brakes if they prefer a different brake, without needing to worry about being compatible with the brake cutoff.
The addition of the suspension seatpost is a reaction to the positive sentiment received about the seat post on other models (Abound SR). It is one of the more noticable upgrades that you can add to improve ride quality, and riders enjoy the additional comfort.
One of the most common pieces of feedback we heard about the Sinch 2.0 is the Aventon branded derailleur and its associated shifter/throttle combo. Having a shifter/throttle combo means that if either the throttle or shifter needs to be replaced, you have to replace it's attached component as well. Going back to a Shimano branded shifter and derailleur, along with a seperated left hand throttle, makes replacing either component easier and standardized. It also makes the Sinch 2.5 compatible with other aftermarket drivetrains if riders would to change/upgrade in the future.
The new display is a sleeker, more stylish display that provides riders with more ergonomic controls and essential riding info. It is also an effort in the direction of standardization of components across future models.
No, the display does not provide any additional features like the ones found on Abound SR. All of the ride features are the same as Sinch 2.0, but with a more aesthetic and ergonomic display.
Taking care of your ebike battery is an integral part of getting the most out of your Aventon ebike. Here are a few things to remember:

  1. 1. Charge your battery regularly to avoid fully draining your battery’s stored energy or voltage.
  2. 2. Use the right charger. Only use an Aventon branded and proper model charger (Be sure to place the charger brick on a flat, non-flammable surface like metal or concrete. The charger brick will conduct heat while charging.)
  3. 3. Avoid overcharging your ebike.
  4. 4. Avoid extreme temperatures. Store and charge the battery in a climate-controlled area, keeping it away from both extreme heat and cold.
  5. 5. Maintain the right level of charge. The battery should be stored at 75% charge to its health.
  6. 6. Avoid heavy loads. Do not exceed the bike’s recommended maximum capacity.
  7. 7. Keep your battery, terminal, & ports clean.
Some Aventon models, such as the Level.2, Abound, Sinch.2, & Aventure.2, come with pre-installed fenders and a rear rack. Additional accessories are available for purchase. Explore a wide-range of Aventon accessories, including helmets, locks, bike pumps, and so much more to add to your next riding adventure.
All Aventon-branded frames, framesets, components, and batteries come with a 2-year warranty. Learn more about the Aventon warranty.
Electric bikes require regular maintenance tune-ups similar to traditional bikes and cars. To get the best performance out of your ebike, regularly check tires, tubes, chains, battery, and brakes, or visit a local bike shop for professional assistance. Performing a pre-ride safety check helps maintain your ebike, as well as staying up-to-date on non-electric component maintenance and repairs.
Yes. Class 1 ebikes are pedal-assist only, meaning they have no throttle and can only reach a maximum speed of 20 miles per hour. By removing the throttle on your Aventon ebike and ensuring the max speed limit is set to 20mph, you can configure a class 2 to a class 1 ebike for trail use.
Aventon does not sell conversion kits. All Aventon bikes are already designed with electrical components, such as integrated batteries, motors, and sensors for an optimal riding experience.
The torque sensor design is more intuitive for the rider at high and low speeds, it’s more efficient, has smoother power delivery, and is less prone to damage as the sensor is internal opposed to the external cadence sensor.
FEATURES

Sinch 2.5 Ebike

Sinch 2.5 is the perfect companion for your next adventure! Easily foldable to maximize storage space, the Sinch 2.5 is the perfect choice for a transportable, adjustable e-bike to amplify every ride. Now with upgraded hydraulic disc brakes, suspension seatpost, and a sleek new side display, the Sinch 2.5 is more comfortable and capable than ever before.
Sinch 2.5 Ebike
New Side Display with Intuitive Controls
Inspired by the simplicity and function of iconic MP3 players, the controls on the sleek new side display gives you an easy access to everything you need. Rest assured, it now has a USB-C port to conveniently charge your phone while you ride.
Sinch 2.5 Ebike
Torque Sensor
The Sinch 2.5's torque sensor measures the amount of force being applied to the pedals, then provides assistance based on your efforts, creating a more natural riding experience.
Sinch 2.5 Ebike
Integrated Lights w/ Turn Signal Functionality
Sinch 2.5's front headlights allow you to see and be seen on the road, while the integrated rear lights double as turn signals that communicate to motorists or other cyclists when you're changing lanes for your safety.
Sinch 2.5 Ebike
Hub Motor & Battery
A 750W rear-hub (peak) motor coupled with a fast charging, fully integrated 48V battery with LG cells means there's plenty of power to hit the streets or go off-roading.
Sinch 2.5 Ebike
Fat Tires
4” fat tires will take you off the beaten path and add more adventure to your next ride.
Sinch 2.5 Ebike
Fenders & Rear Rack
Bring whatever you need wherever you go with the rear rack, and let the fenders protect you from water spray or mud as you make your way.
Sinch 2.5 Ebike
Front Suspension
Sinch 2.5's front suspension with up to 45mm of travel means there's more ground to cover on the road or off-the-beaten-path.
Sinch 2.5 Ebike
Suspension Seat
No shocks. No vibrations. Just smooth riding. The sleek, padded suspension seat absorbs the impact of the road, so all you feel is the exhilaration of the ride.
Sinch 2.5 Ebike
Hydraulic Disc Brakes
Hydraulic disc brakes offer superior stopping power, with improved modulation. This ensures you are able come to a complete stop faster and easier, making for an overall safer ride.

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