* The pictures in our webpage show customised tandem bikes done previously for our clients. The price shown above is for our standard model, inclulding different components than the ones in the pictures, adapted geometry and two RAL colours for frame and logos.
** Our products are in constant development, it is possible that current models already have differences and improvements compared to the examples in the photos.
** Our products are in constant development, it is possible that current models already have differences and improvements compared to the examples in the photos.
Custom gravel bikes
From
€3,640
- 21% VAT included, shipment costs not included
- Base components pack + assembly
- Any opaque RAL colour for the frame and black or white contrasting logos
- “Bikefitting” geometry design
Our GR custom gravel bikes are built for performance and comfort on long-distance rides across mixed terrain. The lightweight yet durable aluminium frame, combined with gravel-specific geometry, ensures stability, efficiency and responsive handling on roads, trails and backcountry routes.
At Campmajó, every gravel bike is fully custom-built: tailored geometry, components of your choice, and a unique paint finish. We work with premium partners like SRAM, DT Swiss, FSA, and Ergon to deliver a bike that fits your riding style and personality.
Prefer flat handlebars? Need specific adjustments? No problem. Tell us what you’re looking for, and we’ll help you create the perfect gravel bike — made for you, from the ground up.
Click to start your own customization form
Frame specs
Base components
Custom geometry
Custom paint
Frame specs
| General | |
| – Aluminum frame series 7000 designed and manufactured in Tarragona, welded with TIG – Custom geometry – Price includes any opaque RAL colour for the frame and black or white contrasting logos – Internal guided wiring for brakes, gearshifter and dropper seatpost | |
| Dropouts | |
| – Frame width – Chainline – Thru-axle – Hanger | 142mm 47.5mm Ø12 x 171.5mm, 1mm SRAM UDH |
| Wheels | |
| – Wheel diameter – Maximum tire width | 29″ 2.1” max. (50mm) |
| Brake calliper mount | |
| – Propietary replaceable system – Rotor diameter | Flat mount 160mm |
| Head tube & seatposts | |
| – Headset – Seatpost inner diameter – Seatpost clamp diameter | Integrated “tapered” 1 1/8″ – 1 1/2″ Ø 31.6mm Ø 34.9mm |
| Drivetrain system | |
| – Bottom bracket – Gears | BSA 68mm |
| Others | |
| – Weight – Warranty | Aprox. 9kg 5-year warranty against possible manufacturing defects |
Base components
| List of components for our standard gravel tandem bike: *All our bikes are customised, this is only our standard suggestion, in this list you can find some of the brands we work with, let us know if you are interested in any specific components and we will provide a budget accordingly | ||
| Wheels | BRN | Gravel 700 |
| Tires | MSC | Gravel 700 x 40C |
| Brakes & shifter group | Shimano | GRX 610 FM & 1x12s |
| Rotors | Brakco | 203mm CL |
| Cassette | Simano | GRX 610 12s 11/51 |
| Chains | KMC | 12s |
| Cranksets | Shimano | GRX 610 1x12s 40t |
| Bottom bracket | Shimano | Hollowtech 68/73mm |
| Handlebar | FSA | Adventure AGX compact 420mm |
| Stem | FSA | Comet 90mm ±6° |
| Headset | FSA | ORBIT C-40 |
| Fork | Finna | Gravel Carbon Fork |
| Saddle | WAG | Race Short – Black |
| Seatpost | FSA | Comet 30.9x400mm |
Custom geometry
| Option 1: | Custom geometry – Instructions | +€0 |
| Our atesanal manufacturing method allows us to have total flexibility in the design and gives us the possibility to adapt the dimensions of the frame to each cyclist. | ||
| Option 2: | Standard size (S, M, L) | +€0 |
Custom paint
| See our color catalogues here | ||
| Option 1: | Frame in opaque colors and contrasting logos in black or white | +€0 |
| Option 2: | Both frame and contrasting logos in opaque colors | +€30 |
| Option 3: | Frame with colors with special effects and logos in black or white | +€60 |
| Option 4: | Frame with special effects colors and logos in opaque colors | +€90 |
| Option 5: | Contrasting frame and logo colors with special effects | +€100 |
Drivetrain specs and options
1x chainring
RECOMMENDED OPTIONS
- RX610
- 11/51 – 12s
- Mechanical
- +€0
- RX820
- 11/51 – 12s
- Mechanical
- +€104
- XPLR AXS
- 11/51 – 12s
- Electronic
- +€289
2x chainring
RECOMMENDED OPTIONS
- RX 810
- 11/42 – 2x11s
- Mechanical
- +€0
- RX 820
- 11/34 – 2x12s
- Mechanical
- TBC
- AXS
- 10/36 – 2x12s
- Electronic
- TBC
Wheels options
GRAVEL
- 29″ or 27.5″
- Aluminium
- 24mm inner width
- 28 spokes
- 100x12mm / 12x142mm
- Center Lock
- HG spline
- +€0
Gravel G 1800
- 29″
- Aluminium
- 24mm inner width
- 24 spokes
- 100x12mm / 12x142mm
- Center Lock
- HG spline
- TBC
GR24
- 29″ or 27.5″
- Aluminium
- 24mm inner width
- 28 spokes
- 100x15mm / 12x143mm
- Center Lock
- HG spline
- +€260
Fork options
Carbon fork for gravel. Lightweight and strong, reinforced with aluminum in key areas for maximum durability. Front rack compatible and color-matched to the frame for a clean, integrated look.
- +€0
Carbon fork for gravel and All road. Super lightweight, strong, and high quality. Internal brake cable routing. Color-matched to the frame for a clean, integrated look or black carbon looks
- TBC
Suspension gravel fork. Delivers comfort and control on rough terrain without sacrificing efficiency. Lightweight 30mm chassis and fender compatibility make it perfect for modern gravel adventures.
- TBC
Seat posts options
RIGID SEATPOST
COMET – simple and reliable. Our standard option, included in the base price. Lightweight, low-maintenance, and ideal for riders who don’t need on-the-fly height adjustments.
- Ø31.6mm
- +€0
MECHANICAL DROPPER POST
Dropper SHOT – practical and versatile. Adjust saddle height quickly and easily with a cable-actuated system. A solid upgrade for more dynamic riding on changing terrain.
- Ø31.6mm
- +€85
SUSPENSION SEATPOST
EESILK+ – smooth and comfortable. Designed to absorb bumps and vibrations on rough terrain, its elastomer-based system provides enhanced comfort for a smoother ride.
- Ø31.6mm
- +€220
ELECTRONIC DROPPER POST
Reverb AXS – latest technology and high-performance. High-end wireless system for fast, precise saddle height adjustments at the touch of a button. Clean setup, minimal maintenance, and top-tier performance.
- Ø31.6mm
- +€1,064
Frame-only option
Custom gravel bike frame
- Aluminuim frame including rear FM brake caliper mount, rear axle and UDH
- “Bikefitting” geometry design
- Any opaque RAL colour for the frame and black or white contrasting logos
From
€1,490
21% VAT included, shipment costs not included
Electric options
Custom gravel electric bike
- Aluminium frame
- OLI Edge-SH 250WW, 90NW engine and integrated and removable OLI 630Wh battery
- “Bikefitting” geometry design
- Full components pack
- Any opaque RAL colour for the frame and black or white contrasting logos
- Assembly of components chosen by you
From
€6,250
21% VAT included, shipment costs not included
Custom gravel electric bike frame
- Aluminuim frame and crankset
- OLI Edge-SH 90Nm or BOSCH PowerLine CX 85Nm motor with integrated and removable 630, 725 or 800Wh battery
- “Bikefitting” geometry design
- Any opaque RAL colour for the frame and black or white contrasting logos
From
€3,390
21% VAT included, shipment costs not included
Fill out your form and we’ll send you your detailed quote along with the preliminary design of your bike!
Featured models:
