On sale $300 off and free shipping (Aus Only and excludes some remote destinations, contact us if unsure) The Brother Cycles Big Bro is one of our favorite all around touring and bikepacking frames. Sliding dropouts give you the option to vary chain stay length, run as singlespeed or with a Rohloff or IGH. Lots of mounts for attaching racks and cargo, and very generous tyre clearance. It very nicely straddles the divide between a very capable touring bike and a mountain bike. 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 Seatpost Diameter: 30.9mm Seat clamp Diameter: 33.1mm (included) Heaedset: 44mm, SHIS ZS44/28.6 upper, EC44/40 lower (not included) Front derailleur clamp diameter: 34.9mm high direct-mount (adapter available separately) Bottom Bracket Shell: 73mm, ISO threaded Max tyre clearance: 29"x2.6" or 27.4"x3.0" Fork: 4130 Chromoly tapered unicrown fork, ED coated, 15x110 Boost thru axle (included), 3 sets bottle cage mounts on all sides Chainring clearance: 44-30t double, 38t single Weight: medium is 2.6kg frame, 1.37kg fork Geometry: SIZE S M L XL ST Length 406 457 508 559 TT Length 556 571 595 622 Top Tube Effective 575 595 620 645 Head Tube 95 100 110 125 Head Angle 69.5 70 70.5 70.5 Seat Angle 73 73 73 73 BB Drop 60 60 60 60 Min Chainstay 445 445 445 445 Fork Length 483 483 483 483 Fork Rake 46 46 46 46 Stack 598 605 616 630 Reach 392 410 432 452 Standover 782 810 840 871 Wheelbase 1083 1098 1118 1144
