Brother Cycles Big Bro Rohloff Philipp

The Brother Cycles Big Bro 2027 is a versatile, extremely robust 29er/27.5+ adventure frame, designed for demanding bikepacking tours, off-road adventures and long journeys far off the beaten track.
Whether with a lightweight bikepacking setup, fully loaded front and rear racks for a round-the-world trip, or a minimalist setup for fast forest and gravel trails – the Big Bro reliably masters every challenge.

New colours for 2027

• Light blue
• Khaki brown

The branding has been updated, whilst the technical specifications remain unchanged – tried-and-tested quality, maximum load-bearing capacity and the durability you’d expect from Brother Cycles. 👍

The photo is for illustrative purposes only; we’ll upload the latest images as soon as we receive them.

Sizes: M light blue or khaki brown

Price excludes Rohloff service

Images: Pair of handlebars – Tip

Ergotec: Width 635mm City Cruiser 25.4mm

Width 625 mm Moon handlebars 31.8 mm

Width 610 mm Moon Cruiser handlebars 31.8

Frame

Brother Cycles Big Bro
Steel frame for adventure and bikepacking, compatible with 27.5" and 29" wheels.
Designed for long distances, heavy loads, hub dynamos, wide tyres and maximum stability.

Cockpit & contact points

• Stem: Procraft or Ergotec 0–60°, 70–115 mm
• Headset: Ritchey Comp
• Handlebars: customised to your requirements
• Saddle: to suit individual preferences
• Seatpost: Procraft 30.6 × 400 mm

Brakes

Shimano Deo BLM6100 BRM6120 rear and front disc set, 4-piston
Brake discs:front 180 mm / rear 160 mm

Drivetrain – Rohloff

Rohloff supplied to the customer – Rohloff service adjustment as per requirements )+ Rohloff service

• Crankset: Shimano Deore, 32 teeth (crankset code: Deo FCM61201 175 32)
• Shift lever: Rohloff
• Rear derailleur: Rohloff – 15–16 teeth – individually tuned

Wheels

Front wheel:

• Rim: RYDE 29" × 30 mm, black – custom-built
• Hub: SON hub dynamo (15×110 Boost)

Rear wheel:

• Rim: RYDE 29" × 30 mm
• Hub: Rohloff – Custom

Tyres – Tufo 29 × 2.35

• Front: Tufo XC 12

→ excellent grip, deep side knobs, stable in bends and on loose surfaces
→ ideal if you alsoride on forest tracks and gravelRear: Tufo XC 11

→ excellent grip, deep side knobs, stable in bends and on loose surfaces
→ ideal if you also ride on forest tracks and gravel

Inner tube: MTB Conti or tubeless-ready

→ Fast, comfortable and puncture-resistant tyres for tarmac, cobblestones, gravel and forest trails.

Ideal for daily commuting and long rides.

+ E3 Pure 3 HBM dynamo headlight

Accessories:

USB power supply: USB power supply (b&m option)
Stable 5V output for USB devices