Charter+ 5S Lowstep is a premium city e-bike that adapts to your ride and your style. The easy-on lowstep frame and adjustable stem make comfort feel custom, while Shimano's AUTO SHIFT tech delivers cruise-control simplicity for your legs. Front suspension smooths out bumps, and a powerful motor with 28mph top speed and 68-mile range keeps you moving. With a top-eject battery, bright lights, and Bosch Flow app security, every trip feels like first class.

Stay connected with Bosch

The Bosch eBike Flow app gives you more control with digital locking, theft alerts, customizable ride modes, and navigation — all from your phone. 

Shifting made effortless

Bosch and Shimano Auto Shift technology automatically adjusts your gears based on terrain and speed — all you need to do is enjoy the ride. 

Confidence that goes the distance 

The long-lasting, low-maintenance Gates Belt Drive delivers a smooth, quiet ride and peace of mind for miles.  

A better battery experience 

Charter+ comes with a high-capacity, top-eject Bosch battery for long rides and easy charging. The color-matched, lockable magnetic cover makes it secure, sleek, and simple to use.

What is the range?

To see how far you can ride your electric bike on a single charge, check out Bosch’s range calculator.

Find your perfect fit

A fully adjustable stem lets you fine-tune your position every ride, from a more relaxed fit to a more active riding position.

Frame	Premium Alpha Platinum Aluminum frame, top-load Bosch CompactTube battery, integrated cockpit routing, integrated rack and fenders, adjustable bolt on dropout
Fork	SR Suntour Mobie 34, tapered steerer tube, air spring, adjustable rebound and compression, lockout, 100mm QR, 80mm travel
Tire	Bontrager E6 Hard-Case Lite, reflective, wire bead, 60tpi, 27.5x2.4''
Hub Front	Formula CL-71, alloy, centerlock, 15x100mm
Hub Rear	Shimano Nexus C7050, 5 speed internal Di2, centerlock disc
Rim	Alloy double wall, 32H
Spokes	14g stainless steel, black
Crank	ProWheel alloy, 170mm length
Cassette	Gates CDX, 28T, stainless steel
Belt	Gates CDX
Brake	Shimano 4-piston hydraulic disc, MT401 lever, MT420 caliper
Brake Rotor	Shimano RT30, centerlock, 203mm // Shimano RT30, centerlock, 180mm
Pedal	Bontrager City pedals
Saddle	Bontrager Boulevard
Seatpost	Alloy, suspension, 31.6mm, 300mm length
Seat Collar	Bolt-on, 36.4mm
Handlebar	Bontrager alloy, 31.8, comfort sweep, 660mm
Stem	Bontrager alloy, 31.8mm clamp, adjustable rise, Blendr compatible, 80mm length
Grips	Trek Ergonomic Pro, lock-on
Fender	Trek Charter alloy fender
Light	Trek LED, taillight // Trek LED, 400 lumen low/800 lumen high, headlight
Kickstand	Adjustable length rear mount alloy kickstand
Battery	Bosch PowerTube 800Wh, smart system
Controller	Bosch Kiox 500, smart system
Motor	Bosch Performance Line Sport, Smart System, 90Nm, 700W, 28 mph
Charger	Bosch standard 2A, 110V, smart system

Geometry Chart

B B Drop	7
B B Height	29.7
Chainstay Length	46.8
Eff Seat Tube Angle	73.0°
Eff Top Tube	63.3
Frame Reach	43.8
Frame Size Letter	M
Frame Stack	63.8
Head Angle	69.0°
Head Tube Length	14.5
Offset	4.5
Seat Tube	50
Seat Tube Angle	73.0°
Standover	54.5
Trail	9.3
Wheelbase	116.7
Wheel Size	700c