Our all purpose, tough as nails 29er/27.5+ adventure frame; designed to take you well off the beaten track and beyond. Whether you’re running a lightweight bikepacking setup, front and rear panniers for a fully loaded ’round-the-world’ tour or just stripped back to thrash some forest trails the Big Bro can handle it.
See here for details.
Like all Brother products the Big Bro has been rigorously tested out in the real world – we took prototypes across the South Downs, through Snowdonia National Park and up to the Scottish Highlands. The Big Bro has since completed two of the worlds toughest bikepacking endurance races – the 4,418km Tour Divide from Canada to Mexico and the 1,710km
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Silk Road Mountain Race in Kyrgyzstan.
Front derailleur clamp diameter: 34.9 mm high direct-mount (adapter available separately)Bottom bracket shell: 73mm bottom bracket, ISO threaded
Maximum tyre clearance: 29" x 2.6", 27.5" x 3.0" (note: not all drivetrains allow for these maximum tyre clearances)
.
The frame is made out of tough 4130 double butted cro-mo tubing and comes with a 100mm suspension corrected fork, both with corrosion resistant ED coating applied. The Big Bro now features Boost spacing which means there’s clearance for big 27.5 x 3″ tyres or 29 x 2.6″ tyres if you’d prefer to go with a 29er setup. It features stealth dropper routing, rack mounts, bottle mounts on the seat tube, down tube and under the down tube for an extra bottle or storage. The forks also feature triple bottle mounts to fit further bottle cages or Anything Cages. S-bend chainstays with replaceable alloy thru axle sliding dropouts allow for geared or singlespeed setups..
We now offer a Rohloff specific dropout set which makes the Big Bro compatible with the Rohloff 135mm Speedhub with OEM axle plate.
The frame is made out of tough 4130 double butted cro-mo tubing and comes with a 100mm suspension corrected fork, both with corrosion resistant ED coating applied. The Big Bro now features Boost spacing which means there’s clearance for big 27.5 x 3″ tyres or 29 x 2.6″ tyres if you’d prefer to go with a 29er setup. It features stealth dropper routing, rack mounts, bottle mounts on the seat tube, down tube and under the down tube for an extra bottle or storage. The forks also feature triple bottle mounts to fit further bottle cages or Anything Cages. S-bend chainstays with replaceable alloy thru axle sliding dropouts allow for geared or singlespeed setups..
Like all Brother products the Big Bro has been rigorously tested out in the real world – we took prototypes across the South Downs, through Snowdonia National Park and up to the Scottish Highlands. The Big Bro has since completed two of the worlds toughest bikepacking endurance races – the 4,418km Tour Divide from Canada to Mexico and the 1,710km
li class="result">
- FEATURES
- Tubing: - 4130 Chromoly steel - double-butted main triangle, ED coated
- Brake compatibility; 51mm IS disc brake mount, 180mm max rotor size Dropouts: Boost 12x148mm thru axle (included)
- Seat post diameter: 30.9mm Seat clamp diameter: 33.1mm (included)
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- <
- Race Winning
- The Renthal Fatbar Carbon has already gained cult status, as the handlebar of choice for World Cup downhill. Three World Cup overall championships and the World Championships gold medal have been won using the Fatbar Carbon, cementing it as one of the most successful race products of all time.
- Carbon Tech
- The Fatbar Carbon uses a full UD (uni-directional) carbon construction. Efficient placement and orientation of the uni-directional carbon fibres maximise the strength and fine tune the stiffness of the handlebar.
- Ride Tuned
- The UD (uni-directional) carbon fibres are layered and aligned to give specific flex characteristics. The ride-tuned stiffness of the Fatbar Carbon results in incredible control, yet careful tuning gives the perfect level of comfort.
- Ultra Durable <
- Backsweep: 7 deg
- Upsweep: 5 deg
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