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Viral Brother Cycles Big Bro Frameset Best Choice [R28Uq3sW]

$66.99 $214.99 -69%

Big Bro Frameset: The Ultimate Adventure FrameIntroducing the Viral Brother Cycles Big Bro Frameset Best Choice [R28Uq3sW], the all-purpose, rugged 29er/27.5+ adventure frame designed for riders who crave exploration beyond the beaten path. Whether you're embarking on a lightwei

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Viral Brother Cycles Big Bro Frameset Best Choice [R28Uq3sW]

Big Bro Frameset: The Ultimate Adventure Frame

Introducing the Viral Brother Cycles Big Bro Frameset Best Choice [R28Uq3sW], the all-purpose, rugged 29er/27.5+ adventure frame designed for riders who crave exploration beyond the beaten path. Whether you're embarking on a lightweight bikepacking trip, a fully loaded round-the-world tour, or just seeking to conquer forest trails, the Big Bro is your reliable companion. Its robust construction and versatile design make it an ideal choice for any adventure.

Key Features and Specifications

Engineered with precision, the Big Bro Frameset boasts a 4130 Chromoly steel frame, double-butted for strength and durability. It features a 51mm IS disc brake mount and supports a 180mm max rotor size for optimal braking performance. The frame is compatible with a Rohloff specific dropout set (available as an extra), making it perfect for the Rohloff 135mm Speedhub with OEM axle plate. Key specifications include a Boost 12x148mm thru axle, 30.9mm seat post diameter, and 33.1mm seat clamp diameter. The headset is 44mm, with SHIS ZS44/28.6 upper and EC44/40 lower cups (not included). The fork is a 4130 Chromoly tapered unicrown design with a 15x110mm Boost thru axle. It also includes full-length cable housing guides for derailleurs and brakes, three sets of bottle cage mounts, and chainring clearance for 44-30t double and 38t single chainrings. The frame weighs 2.60kg (Medium, 18") and the fork 1.37kg (300mm steerer), tested to ISO 4210 MTB standard for safety and reliability.

Adventure Awaits: Versatile and Reliable

With the Viral Brother Cycles Big Bro Frameset Best Choice [R28Uq3sW], you can tailor your bike to suit any adventure. Its maximum tyre clearance allows for 29" x 2.6" and 27.5" x 3.0" tyres, accommodating a wide range of conditions and terrains. The frame is designed to handle both stripped-back trail riding and fully loaded tours, making it a versatile choice for riders of all levels. Whether you're a seasoned adventurer or just starting out, the Big Bro Frameset offers the performance, durability, and comfort you need to conquer any trail. Upgrade your cycling experience with the Big Bro, and discover the thrill of adventure on two wheels.

What Our Customers Say

February 6, 2026

Absolutely no complaints!

This is a very clever and a very, very nice tool.

- Steffan P..

February 6, 2026

Absolutely no complaints!

This is a very fine and a very, very solid tool.

- Haf R..

February 6, 2026

Absolutely no complaints!

A solid buy. It is very, very highly recommended.

- Gwenllian G..

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