* 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.
Gravel tandem
From
€5,299
- 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 is the ultimate companion for road and off-road riding. Designed for long-distance rides on mixed terrain, it offers maximum efficiency and comfort. Its lightweight yet robust aluminum frame, combined with gravel-specific geometry, ensures optimal performance, stability, and maneuverability on dirt roads, trails, and backcountry routes.
At Campmajó all our tandems are customised, from geometry, to components to painting. Contact us to build your own! And enjoy components from our partners including FSA, DT Swiss, SRAM, FOX and Ergon amongst others.
Interested in gravel but with flat handlebars? No problem! At Campmajó all our tandems are customised, contact us, let us know and we will provide a price accordingly.
In all our rigid models we offer the option of a low rear step through, free of charge. This is designed to make the tandem fully accessible and comfortable.
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 sizing for captain and stoker, with the option for multi-sizing for tandems with multiple riders – Price includes any opaque RAL colour for the frame and black or white contrasting logos – Internal guided wiring for brakes, gearshifter and dropper seatpost – Pre-installed holes for pannier rack mounts | |
| 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 203mm |
| Head tube & seatposts | |
| – Headset – Seatpost inner diameter – Seatpost clamp diameter | Integrated “tapered” 1 1/8″ – 1 1/2″ Ø 30.9mm Ø 34.9mm |
| Drivetrain system | |
| – Captain bottom bracket – Timing drivetrain – Gears – Motor cranks – Chain tensioner | BSA 68mm Propietary external system 2x11s, 2x12s, or 1x12s ISIS Anchorage ISCG05 with 3 bolts |
| Others | |
| – Weight – Warranty | Aprox. 14kg 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 29″ |
| Tires | MSC | Gravel 700 x 40C |
| Brakes & shifter group | Shimano | GRX 610 1x12s |
| Rotors | Brakco | 203mm CL |
| Cassette | Simano | GRX 610 12s 11/51 |
| Chains | KMC | 12s |
| Timing chainrings | Miranda | bcd104 4b 34t |
| Mono chainring | FSA | 42t bcd104 4b |
| Cranksets | FSA | Comet |
| Bottom bracket | FSA | Megaexo COMET 68/73mm |
| Captain spider | Campmajó | Simple bcd104 4b threaded |
| Stocker spider | Campmajó | Double bcd104 4b |
| Handlebars | FSA | Adventure AGX compact 420mm / VERO compact 400mm |
| Stem | FSA | Comet 90mm ±6° |
| Stocker stem | Campmajó | Simple adjust |
| Headset | FSA | ORBIT C-40 |
| Fork | Finna | Carbon Fork |
| Saddles | WAG | Race Short – Black |
| Seatposts | 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 the captain and stocker dimensions. | ||
| Option 2: | Standard size (S, M, L or combined) | +€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
BACK
1 – Cassette
- 11/51 – 12s
- HG spline
2 – Rear derailleur
- 12s derailleur
- Mechanical or AXS
- Sram UDH
- T-type ready
3 – Chain
- KMC
- eBike 12s
MIDDLE
4 – Mono chainring
- FSA Megatooth 38t – 42t
- BCD104 / 4b
- Chain line: 47.5mm
5 – Rear timing chainring
- Miranda 34t
- BCD104 / 4b
6 – Stoker crankset
- FSA – COMET 170mm
- Spider: Campmajó double BCD104 / 4b
FRONT
7 – Chain tensioner
- Campmajó ISCG system
- 14t pulley
- Protects chainring
8 – Front timing chainring
- Miranda 34t
- BCD104 / 4b
9 – Captain crankset
- BSA 68mm
- FSA – COMET 170mm
- Spider: Campmajó simple BCD104 / 4b
RECOMMENDED OPTIONS
- RX610
- 11/51 – 12s
- Mechanical
- +€0
- RX820
- 11/51 – 12s
- Mechanical
- +€104
- XPLR AXS
- 11/51 – 12s
- Electronic
- +€289
2x chainring
BACK
1 – Cassette
- 11/42 – 11s or 11/34 – 12s
- HG spline
2 – Rear derailleur
- 11 or 12s
- Mechanical or AXS
- Sram UDH
- T-type ready
3 – Chain
- KMC
- 11 or 12s
MIDDLE
4 – 2x chainrings
- FSA VERO 32/48t
- BCD104 4b
- Chain line: 47.5mm
5 – Rear timing chainring
- FSA VERO 32t
- BCD104 / 4b
6 – Stoker crankset
- BSA 68mm
- FSA – COMET 170mm
- Spider: Campmajó triple gravel BCD104 / 4b
FRONT
7 – Chain tensioner
- Campmajó ISCG system
- 14t pulley
- Protects chainring
8 – Front timing chainring
- FSA VERO 32t
- BCD104 / 4b
9 – Captain crankset
- BSA 68mm
- FSA – COMET 170mm
- Spider: Campmajó simple gravel BCD104 / 4b
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
Hybrid Gravel HG 1800
- 29″ or 27.5″
- Aluminium
- 25mm inner width
- 28 spokes
- 100x12mm / 12x142mm
- Center Lock
- HG spline
- +€60
GR24
- 29″ or 27.5″
- Aluminium
- 24mm inner width
- 28 spokes
- 100x15mm / 12x143mm
- Center Lock
- HG spline
- +€260
Fork options
RIGID
Carbon fork for gravel & road tandems. Lightweight and strong, reinforced with aluminum in key areas for tandem-ready durability. Front rack compatible and color-matched to the frame for a clean, integrated look.
- +€0
WITH 100mm SUSPENSION
For riding on dirt roads and added comfort, a 100 mm suspension fork can be installed. We use short-travel XC models, more robust than gravel forks and suitable for tandem use.
- JUDY SILVER +€110
- SID SL SELECT CHARGER +€569
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.
- Ø30.9mm
- +€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.
- Ø30.9mm
- +€85 per unit
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.
- Ø30.9mm
- +€220 per unit
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.
- Ø30.9mm
- +€1,064 per unit
Stoker stem options
SIMPLE ADJUSTMENT
Our simplest adjustable stoker stem. Designed for tandems with standard seatposts that will remain in a fixed position over time, with minimal changes to the stoker handlebar or the captain seat.
- Vertical adjustment via clamp on the captain’s seatpost
- Horizontal adjustment through the stem itself
- Seatpost clamp: Ø31.6mm
- Handlebar clamp: Ø31.8mm
- +€0
SIMPLE ADJUSTMENT FRAME CLAMP
This model is the same as the first but features our double-diameter clamp system. The same stem clamp secures the captain’s seatpost, allowing seat position adjustments without affecting the stoker handlebar position. Ideal for those tandems that change stockers often.
- Diagonal adjustment
- Campmajó double-diameter seat tube clamp system
- Seat tube clamp: Ø34.9mm (lower) and Ø31.6mm (upper)
- Handlebar clamp: Ø31.8mm
- Includes threaded holes for one bottle cage
- +€48.4
DOUBLE ADJUSTMENT FRAME CLAMP
In this model, an angular adjustment is added to the longitudinal adjustment. This system allows the handlebars to be positioned almost anywhere in space, ensuring maximum comfort and flexibility for the stoker, whether for personal fit or to accommodate different riders.
- Longitudinal and angular adjustment
- Campmajó double-diameter seat tube clamp system
- Seat tube clamp: Ø34.9mm (lower) and Ø31.6mm (upper)
- Handlebar clamp: Ø31.8mm
- Includes threaded holes for two bottle cages
- +€108.9
Frame-only option
Gravel tandem frame
- Aluminuim frame including chain tensioner and rear FM brake caliper mount
- “Bikefitting” geometry design
- Any opaque RAL colour for the frame and black or white contrasting logos
From
€1,999
21% VAT included, shipment costs not included
Fill out the form, and we will send you a detailed preliminary quote along with the design of your tandem — completely non-binding!
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