Aventon Sinch 2.5 Ebike Overview

The Aventon Sinch 2.5 is a versatile folding electric bike designed for riders who want fat-tire capability in a compact, easy-to-store package. With a step-through folding frame, torque-sensing pedal assist, and a powerful 48V hub motor, the Sinch 2.5 is ideal for all-terrain riding, camping, RV travel, and urban exploration.

Motor, Power & Ride Feel

Motor: 48V brushless rear hub motor
Power Output: 500W sustained, 1056W peak
Torque: 60Nm
Ebike Class: Class 2 (pedal assist + throttle)
Pedal Assist: 4 levels
Sensors: Dual-sided bottom bracket torque sensor for smooth, responsive power delivery

Battery, Range & Charging

Battery: Removable internal lithium-ion battery
Capacity: 48.8V, 14Ah (636.4Wh)
Range: Up to 55 miles (PAS Eco, flat terrain, 160 lb rider)
Battery Weight: 7.6 lbs
Charger: 48V, 3A fast charger
Charging Time: Approximately 4–5 hours
Battery Certification: UL 2271

Frame, Folding Design & Fit

Frame: 6061 single-butted folding aluminum alloy with internal battery
Frame Style: Step-through folding design
Bike Weight: 68 lbs
Total Weight Limit: 300 lbs
Rider Height Range: 4'11" – 6'2"
Box Size: 43" x 24" x 33"

Fork, Wheels & Tires

Fork: Aventon coil suspension fork with lockout
Front Wheel: 20 x 4.0" double-wall aluminum rim, 36 spokes, nutted axle
Rear Wheel: 20 x 4.0" double-wall aluminum rim with hub motor, nutted axle
Rear Spacing: 177mm
Fork Spacing: 135mm
Tires: Innova IA-2579, 20 x 4.0 fat tires

Drivetrain

Rear Derailleur: Shimano Altus RD-M310, 8-speed
Cassette: Shimano HG200-8, 12–32T
Chain: 114-link, 8-speed
Chainring: 48T (130 BCD)
Crankset: 3-piece, 170mm crank arms
Bottom Bracket: Square taper, sealed, dual-sided torque sensor (100 x 159.5mm)
Pedals: 9/16" composite folding pedals

Braking & Safety

Brakes: Tektro HD-T280 hydraulic disc brakes
Rotors: 180mm front and rear (6-bolt)
Lights: Integrated front and rear lights
Water Resistance: IPX5
Safety Certifications: UL 2849 and UL 2271

Cockpit & Comfort

Saddle: Aventon Saddle
Seatpost: Aventon suspension seatpost, Ø 30.9mm, 350mm length
Seat Clamp: 34.9mm quick release
Handlebars: Aluminum, 31.8mm clamp, 620mm width
Grips: Aventon glue-on grips
Headset: Sealed bearing headset (ZS44/28.6 | ZS55/40)

Accessories & Utility

Rear Rack: Included, 55 lb weight limit
Fenders: Included
Kickstand: Included, rear mount
Throttle: Left-handlebar mounted

Why Choose the Sinch 2.5

The Aventon Sinch 2.5 is ideal for riders who want fat-tire performance with the convenience of a folding ebike. Its compact storage size, torque-sensing pedal assist, fast charging, and all-terrain tires make it a great choice for RV owners, apartment dwellers, and anyone who needs a powerful yet portable electric bike.