Custom-Built Folding Carbon E-Bike (Brand New) | 60 km/h Top Speed

$2,000

bicyclesSan Jose State University~2kmPosted 12 hours agoSep 14, 2026, 4:25 PM PDTAnalytics

Description

Custom-Built Folding Carbon E-Bike (Brand New) | 60 km/h Top Speed

Proof of operation (tested safely on side for solo setup)

https://youtu.be/Ry2-G2A0CPA?is=N34xtfZ5gLCIXPdl

Selling a brand-new, custom-built folding carbon e-bike. It has only been test-ridden for safety verification and features a 48V 10Ah battery with a Muselk converter kit capable of up to a 60 km/h(~37 mph) top speed. It also includes front fork & back torque suspension, mechanical disc brakes, and a design tailored for local terrain and compact storage. Asking $2,000 OBO. Reach out if you're interested or have any questions!

Engineered for riders who want the best of both worlds: compact, space-saving portability and high-speed performance. This custom-built e-bike combines a folding carbon frame with a powerful Muselk conversion kit, offering capabilities rarely found in standard factory models. Only test-ridden for safety verification. This isn't a hasty plug-and-play conversion. The build process involved extensive research, meticulous parts compatibility planning, and careful custom assembly to ensure a clean integration of the motor and battery setup, matching the effort of a professional build.

Key Features & Advantages:

Ultra-Compact Folding Design: Unlike rigid high-performance e-bikes, the folding frame collapses down easily for effortless trunk storage, apartment living, or transit commuting.Citation 1

High-Speed Performance: Powered by a reliable 48V 10Ah battery and a Muselk converter kit, achieving a thrilling top speed of up to 60 km/h (~37 mph).Citation 1

Dual Suspension & Control: Equipped with front fork and rear torque suspension for a smooth ride, paired with 21 manual speed mountain bike capabilities and integrated motor-cutoff mechanical disc brakes.Citation 1

Extended Range & Efficiency: Offers an estimated 20–40 miles of range, optimized when utilizing pedal-assist speeds 1 through 3.Citation 1

Bonus Tech: Includes a built-in GPS fob tracker compatible with Apple and Google devices, plus the charger.Citation 1

Specifications:

Condition: brand new, test-ridden only for safety verification

Weight capacity ~ 250 lbs

Power & Performance: 48V 10Ah battery easily unplugged for storage paired with a 5-speed electric motor and Muselk converter kit, capable of a 60 km/h (~37 mph) top speed.

Pedal Assist & Range: Estimated 20–40 miles of base distance, with extended mileage and optimized efficiency when utilizing pedal assist speeds 1 to 3, alongside 3 to 4.5 hours of duration per charge.

Braking & Control: Mechanical disc brakes integrated directly with the motor system, plus 21 manual speed mountain bike capabilities.

Wheels & Included Gear: 26-inch mountain wheels, gps fob tracker for pairing with apple or Google, and charger included.

Design & Frame: Folding carbon frame with full suspension, digital display with speedometer and speed mode, tailored for local terrain and compact storage.

Safety notice: Motorcycle helmet and protection suggested for speeds over 20 mph. Always start ride in PAD mode 1.

Legal compliance: Operation on public roadways must comply with local speed limits, keeping speeds within legal e-bike thresholds, unless operated on private property. The high-torque capability is intended exclusively for climbing steep, off-road, difficult terrain, or use on private property, and should not be utilized for standard roadway travel outside of legal limits.

Price & Terms: $2,000 OBO, sold as-is with no returns. Cash or equal value in hand is required for test drives. By purchasing this device, the buyer acknowledges that they have inspected the custom-built e-bike, understands its high-speed capabilities (up to 60 km/h), and are purchasing the vehicle strictly AS-IS with no warranties, guarantees, or returns. The buyer assumes all responsibility for safe operation, compliance with local laws, and the use of appropriate safety gear. A written record such as a text, message, or email is required confirming understanding and acceptance of this agreement by the buyer upon purchase.

Location

San Jose

~2 km from San Jose State University

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