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On and Off
GRX 815

Product Code: 5061029573444
Unleash the joy of cycling
Lightweight
Aerodynamic
Comfort
Versatility
Your Size: 1
£7,300
  • Built in Richmond, London
  • Exceptional Customer Service
  • 160 years experience
  • 5 Year warranty for frames and forks
Unleash the joy of cycling with the On and Off e-bike, designed for both paved roads and the trail less travelled.
System Weight 12.8kg
Frame material Carbon
On and Off
GRX 815
-
+

Introducing the On And Off, a cutting-edge e-gravel bike that elegantly combines the benefits of electric assist while maintaining a lightweight design and superior ride quality. Enjoy all the advantages of an e-bike without compromising on performance or comfort. Engineered for the versatile cyclist, it transcends traditional boundaries with a high-performance motor and a robust lightweight Carbon frame designed to handle both on-road and off-road. Its seamless integration of power and agility delivers a smooth ride, ensuring you enjoy the pure thrill of cycling without the cumbersome feel of conventional e-bikes.

The On And Off's sophisticated design is complemented by a state-of-the-art, lightweight carbon frame that offers durability without compromising on style. This bike is not just about getting from point A to B; it's about experiencing every moment of your journey. The powerful yet whisper-quiet motor enhances your pedal power subtly, letting you conquer hills and extend rides with natural ease. With this bike, you’re not just riding; you're effortlessly gliding through picturesque landscapes. Giving you time to soak in the beauty around you without having to worry about making it up the next hill. 

Every component of the On And Off is meticulously engineered for a responsive, intuitive cycling experience. From its dynamic handling that confidently tackles different terrains to its sleekly integrated battery that offers extended range without extra weight, this bike elevates your riding experience. The intuitive controls are smartly embedded within the frame, easy to use while maintaining focus on the joy of cycling. It ensures every journey is as thrilling as it is effortless, enabling you to explore further and faster.

The On And Off e-bike features Pearson in-house power modes, carefully mapped to enhance your riding experience. The two standout modes, Eco and Sport, cater specifically to different cycling needs. Eco mode maximises efficiency, extending battery life for longer rides, making it ideal for commuting or for those long days in the saddle. On the other hand, Sport mode unleashes the full potential of the bike's power, providing an aggressive boost for climbing hills or fast-paced riding, ensuring thrilling performance without sacrificing the bike's intuitive feel.

Frame
On and Off, carbon
Fork
On and Off, carbon
Wheels
Carbon Rock & Roll with Mahle X20 Hubs
Tyres
Pirelli Cinturato Gravel M 700x45c, TLR Tubeless, Black/Tan
Crankset
Shimano FC-RX810 40 tooth
Cassette
Shimano CS-M8000 11-Speed Cassette 11 - 42T
Front Derailleur
N/A
Rear Derailleur
Shimano RD-RX817 Di2
Chain
Shimano CN-M8000
Brakes
Shimano GRX BR-RX810
Motor
Mahle X20 Rear Hub
Battery
Mahle X20 IX350Wh
Handlebar controls
Satellite shifters
Display
Pulsar One wireless head display
Disc Brake Rotors
Shimano RT-CL800 160 mm
Handlebar
Pearson Carbon Flared
Handlebar Tape
Fizik Terra Bondcush Tacky, 3mm - Black
Stem
Pearson Integrated Carbon
Saddle
Fizik Terra Argo X5
Pedals
Pedals are not included and can be ordered separately
Size
1
2
3
4
A

Frame Reach

365

379

388

397

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/ON_OFF_reach.gif?v=1715777349

B

Frame Stack

537

566

583

602

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/ON_OFF_stack.gif?v=1715777349

C

Top Tube Length

514

547

566

582

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/ON_OFF_toptube.gif?v=1715777349

D

Seat Tube Length

470

520

540

560

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/ON_OFF_seat_tube.gif?v=1715777349

E

Head Tube Length

514

547

566

582

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/ON_OFF_head.gif?v=1715777349

F

Seat Angle

74.5

73.5

73

73

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G

Head Angle

69.5

71

71.5

71.5

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/ON_OFF_head_angle.gif?v=1715777349

H

BB Drop

69

69

69

69

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/ON_OFF_BBDROP.gif?v=1715777349

I

Wheelbase

1027

1038

1047

1063

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/ON_OFF_WHEELBASE.gif?v=1715777349

J

Chainstay Length

435

435

435

435

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/ON_OFF_CHAINSTAY.gif?v=1715777349

K

Fork Offset

55

55

55

55

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/ON_OFF_FORK_OFFSET.gif?v=1715777349

L

Trail (32c tyre)

75

65

61

61

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/ON_OFF_trail.gif?v=1715777349

M

Rider Height (ft/in)

5'2-5'7'

5'6-5'10

5'9-6'0

5'11-6'3

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/BODY_DIAGRAM_height.gif?v=1708518312

N

Rider Height(cm)

158-171

167-178

175-183

180-190

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/BODY_DIAGRAM_height.gif?v=1708518312

O

Inside Leg (in)

29-31

30-33

32-35

34-37

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/BODY_DIAGRAM_leg.gif?v=1708518312

P

Inside Leg(cm)

73-79

77-83

81-87

86-92

https://cdn.shopify.com/s/files/1/0278/9874/0835/files/BODY_DIAGRAM_leg.gif?v=1708518312

Size chart image

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