Bosch Performance Line CX
The 2025 version of Bosch’s most powerful drive system, the Performance Line CX, delivers a big 85 Nm of torque and up to 600 watts of power more silently than ever before, for a serene and easy ride experience.
One Ride Away
Inside this potent urban e-bike lies the wild and rugged heart of an explorer. With huge range, robust components, and grippy mixed-surface tires, the Tesoro is built to get you to it all week, and away from it all on the weekend.
Model Description
Tesoro 1 doesn’t wait for a green light—it’s already halfway down the road, kicking up dust. Powered by Bosch’s CX motor and an 800Wh battery, this bike is all about getting you where you want to go—fast. The rugged alloy frame is lightweight, durable and guaranteed for life. The rear rack features an integrated extra-large U-lock for convenient security, while the Shimano 10-speed drivetrain and grippy multi-surface tires handle everything from city shortcuts to off-road detours without missing a beat. Life’s too short for boring rides.
What it's for
Adventure trekking, wild exploring, and long-range commuting
Highlights
- Robust and responsive SmartForm C1 Alloy frame with integrated rack, fenders, and headtube rack mount
- Bosch's most powerful Smart System, with the 2025 Performance Line CX motor, Kiox 300 display, and 800Wh PowerTube battery for up to 185km range
- Smooth-shifting, durable, Shimano CUES U6000 10-speed drivetrain
- RackLock rear rack with conveniently integrated, extra-large U-Lock
- 100mm travel Suntour XCR34 mountain bike suspension fork
- Bump-absorbing suspension seatpost
One Ride Away
Power
800Wh PowerTube battery and 2025 Performance Line CX motor - the most powerful system Bosch has ever made.
25 km/h Assist
This e-bike drive system provides pedal assist up to a maximum speed of 25 km/h. Above that, it’s all you.
Range
The 800Wh battery provides up to 185 km of range on a single charge. Have fun. Ride longer.
Ride Quality Comes First
Brains and brawn come together in Tesoro. It’s engineered with the rugged capability to handle whatever the terrain throws your way, and the endless versatility to bring whatever you want with you. It’s as practical as can be – but always ready for adventure.
The Best of Bosch
Tesoro features Bosch’s latest and most powerful e-bike SmartSystem. With the Performance Line CX motor, huge 800Wh battery, Kiox 300 display, and mini remote, it offers effortless acceleration, compelling versatility, seamless Bluetooth compatibility, and a range of up to 185 km on a single charge. Go wherever you want, for as long as you want, as easy as you want.
RackLock Makes it Easy
Never forget your lock again. The innovative RackLock is a Racktime SnapIt 2.0 compatible, child-seat-approved, rear rack that can carry up to 27kg, while also housing a super-strong U-lock, so you always have your lock with you when you need it.
Forked Up
With a 100mm suspension fork up front, Tesoro X gives you comfort and confidence at the same time. It takes the shock out of big impacts, and rolls easily over smaller ones, while keeping the front wheel on the ground – and keeping you in control.
FIRST LOOK | Tesoro
PLAY FILM
Features
Geared to Go
Wide-range gearing on Tesoro means there’s no hill too steep, no mud too thick, and no load too heavy to tackle while you’re riding. And with only a single chainring, you have everything you need and nothing you don’t, to keep weight and maintenance down.
Headstrong
Tesoro’s headtube comes with integrated mounting points for our versatile OutFront racks (sold separately), able to carry up to 15kg/33lbs of cargo – in addition to the included RackLock out back.
One Bike, Two Ways
Tesoro is available in two different frame styles – Standard and Low StepThru – so you can ride your way.
Ready Rubber
With the right tires, almost anything – and anywhere – is possible. Tesoro comes with wide, knobby tires that can comfortably cruise on pavement, or confidently take you far away from it.
The Strong, Silent Types
No more rattly fenders. Tesoro’s robust, full-coverage fenders were engineered to integrate cleanly into the frame, acting as a structural part of the rear rack and keeping your ride dry, comfortable, and blissfully rattle-free.
The Tracker
Tesoro features a hidden mounting point for the Bosch Connect Module. Available through Bosch retailers, the BCM provides GPS tracking for theft recovery and insurance requirements, and allows users to remotely disable the motor, view battery life, get movement alerts, and more.
Specs
Details
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Platform
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Model NameTesoro 1
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Model CodeC66064U
Frameset
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FrameTesoro, SmartForm C1 Alloy, removable 800Wh downtube battery, tapered headtube, internal cable routing, 135mm QR hub spacing, post mount disc brake, motor protection, integrated RackLock rack and fender - RackTime SnapIt 2.0 and child seat compatible
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ForkSR Suntour Mobie XCR34, 100mm travel, coil with preload adjuster, lockout, crown light mount, 44mm offset
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HeadsetAcros integrated cable routing, 1.8" sealed bearings with tapered reducers
E-System
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Drive UnitBosch Performance Line CX 250W MY25
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BatteryBosch PowerTube, 800Wh
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ChargerBosch 4A
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DisplayBosch Kiox 300 w/ Mini Remote & System Controller
Drivetrain
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Rear DerailleurShimano CUES U6000
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ShiftersShimano CUES U6000, trigger style, 10-speed
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ChainKMC e500
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CrankFSA Bosch E-bike, 38T
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Rear CogsShimano CUES LG400, 11-43, 10-speed
Brakes
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BrakesTektro T535 4-piston hydraulic disc, 203/180mm TR rotors
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Brake LeversTektro M535 hydraulic disc
Wheels
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Front HubShimano TC500, 15x110mm thru-axle
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Rear HubShimano HB-TX505, 135x9mm, QR
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RimsAlloy, double wall, 32 hole, 25mm internal width, disc-specific
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SpokesStainless Steel, 14g
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Tire Size2.35
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Wheel Size27.5/29
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TiresSchwalbe Johnny Watts LR, 27.5x2.35" 60-584 (MD), 29x2.35" 60-622 (LG, XL)
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Front TireSchwalbe Johnny Watts LR, 27.5x2.35" 60-584 (MD), 29x2.35" 60-622 (LG, XL)
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Rear TireSchwalbe Johnny Watts LR, 27.5x2.35" 60-584 (MD), 29x2.35" 60-622 (LG, XL)
Components
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HandlebarCannondale Urban Ergo Bar, 6061 Alloy, 25mm rise, 35° sweep, 0° rise, 680mm
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StemCannondale Urban w/ Intellimount, Alloy, 31.8mm clamp, 60mm, +30°, Acros ICR, w/ SP Connect SPC+ Stem Mount
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GripsErgon GC10
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SaddleSelle Royal Essenza
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SeatpostLinear Suspension Seatpost, 31.6, 350mm
Extra
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Extra 1RackLock rear rack (27kg, Racktime SnapIt 2.0 & child seat compatible) with integrated extra-large Trelock U-Lock (key-matched with battery lock), Lezyne Foresite E350 front light and SuperNova TL3-Z rear light with integrated reflector, full-coverage fenders
Please note that, based on component availability and other factors, specifications are subject to change without notice.
Geometry
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