Brother Cycles Big Bro Gravel Touring Johannes

The Brother Big Bro features a robust 4130 CrMo frame with generous tyre clearance and plenty of mounting points for luggage racks, bottle cages and Anything Cages. With a 1×11 drivetrain, TRP disc brakes, a SON hub dynamo and Remerx wheels, this is a reliable, comfortable bikepacking bike for long tours and off-road riding.
Complete bikepacking build featuring the Brother Big Bro frame, SON hub dynamo, Remerx wheels, Surly Extraterrestrial tyres, 1×11 drivetrain and TRP disc brakes.

Size: XL

Colour: black

Frame & Fork

• Brother Cycles Big Bro frame set (4130 CrMo)
• Big Bro steel fork with cage mounts
• Cane Creek headset

Cockpit

• Procraft stem 50–70 mm
• Surly Stop Bar – All-road/gravel handlebars 45 cm (48 cm optional)
• Black cork grips
• Seatpost 30.6 mm / 400 mm (350 mm), black
• Saddle: SQlab or custom

Drivetrain & gear system

• SRAM Rival 1×11 brake/shift levers
• Shimano XT crankset (32T), 175 mm, black
• SRAM Apex Eagle rear derailleur
• SunRace cassette 11–51, 11-speed, silver or black

Brakes

• Mechanical TRP disc brakes
• Front/rear brake discs 180 mm

Wheels & tyres

• Remerx RX 2030 wheels, 29", 30 mm inner width
  • Rims: Silver or Black
  • Spokes: Silver or Black
• SON hub dynamo, black, 15×110 mm
• Rear hub: Remerx / Shimano 11-speed
• Tyres: Surly Extraterrestrial 29 × 2.5, black
• Tubeless setup with Stan’s Sealant

Suitable for bikepacking

• Numerous mounting points for bottle cages, luggage racks and Anything Cages
• Generous tyre clearance for off-road touring
• Sturdy 4130 CrMo steel frame for long distances
• Comfortable geometry for long-distance and off-road riding
• Low-maintenance 1×11 setup with a wide gear range

Accessories: USB Werk B&M

Description – Brother Big Bro

The Big Bro is made from robust 4130 CrMo steel and is designed for maximum reliability.
It accommodates 29" or 27.5+ wheels, features a high-quality Big Bro steel fork and offers a very comfortable, stable and durable platform for touring and bikepacking.The combination of a 2×11 drivetrain, mechanical brakes and high-quality DT Swiss wheels results in a low-maintenance, travel-ready and versatile complete bike.