Brother Cycles Big Bro Rohloff Edition

Big Bro Rohloff 2025 - extremely resilient bikepacking touring bike with Rohloff 14-speed, SON hub dynamo, chromoly frame. Colours: Black, Swamp Thing. Sizes S-XL.

Robust bikepacking touring bike for demanding adventures. Rohloff and hub dynamo .

Colour and size: black S,M,L,XL

Colour and size: green metallic S,M,L,XL

(green M in stock )

The Big Bro "Rohloff" is a versatile, extremely resilient bike, specially developed for long distances, off-road tours and bikepacking. With the legendary Rohloff Speedhub and high-quality components, it is ready for any terrain.

Specification : Subject to change

Colours

- Black colour

- Swamp Thing (green-metallic)

🚲 F rameset

- Tubeset: 4130 heat-treated chromoly steel, double butted, ED-coated

- Brake mount: 51 mm IS disc mount, max. rotor size: 180 mm

- Dropouts: Boost 12 × 148 mm thru axle (included)

- Derailleur hanger: SRAM UDH type, fully interchangeable

- Fork: Tapered chromoly

- Headset: Cane Creek, tapered

🛠 Components

- Brakes: Shimano Deore 6120, 4-piston, hydraulic (front & rear)

- Brake lever: Shimano Deore

- Brake discs: 180 mm front / 160 mm rear

- Crankset: 175 mm, 40-42 teeth

- Bottom bracket: SRAM DUB Eagle, 68-73 mm, Boost compatible

- Shifting unit: Rohloff 14-speed hub with Thorn accessory handlebars (T-extension 55 mm, Ø 22.2 mm)

- Stem: Procraft, 31.8 mm, length 60-120 mm (optional)

- Handlebars: Pro Koryak Flatbar or Surly Moloko

- Saddle: WTB Volt or alternative option

- Seatpost: Ergotec, 30.0 × 400 mm or alternative option

🛞 Wheels & tyres

- Front wheel: RYDE 27.5 × 30 with SON hub dynamo (or 29")

- Rear wheel: RYDE 27.5 × 30 with Rohloff Speedhub (or 29")

- Tyres: Schwalbe Marathon Mondial, optionally 27.5 × 2.25

- Tube: suitable for the tyre size or tubeless-compatible

drive & accessories

- Chain: KMC e1

- Recommended combination: Rohloff 16-tooth sprocket + crankset with 42 teeth (e.g. FSA 175 mm) - ideal for Big Bro or Surly Ogre with a smaller front wheel

Brother Cycles Big Bro Rohloff - the robust bikepacking touring bike for long distances, off-road tours and expeditions. Equipped with the Rohloff 14-speed Speedhub and optional SON or Shimano hub dynamo for reliable lighting and charging functions on long journeys