UK-based Brother Cycles just launched their 2021 Big Bro off-road adventure frameset in new colors with boost hub spacing. Pre-orders just opened for it and the Kepler all-rounder frameset. See what’s changed for the new year and find details on how to order one before they’re gone here…

Photos by Ollie Harrop (@ollieharrop)

As of today at 10 a.m. GMT, pre-orders for the updated 2021 Big Bro from UK-based Brother Cycles are now open, and they’re expected to go fast. Made from double-butted 4130 chromoly steel, the Big Bro is the small brand’s all-purpose 27.5+ or 29er adventure frame, with clearance for up to 27.5 x 3.0″ or 29 x 2.6″ tires. It features discreet dropper routing, rack mounts, provisions for three bottles, and three-pack mounts on the 100mm suspension-corrected rigid fork. Run it geared or single speed with its replaceable thru-axle sliding dropouts.

  • 2021 Brother Cycles Big Bro
  • 2021 Brother Cycles Big Bro
  • 2021 Brother Cycles Big Bro

New for 2021, it’s now offered in a bold yellow paint job alongside last year’s forest green, and it features Boost 12x148mm/15x110mm spacing, opening it up to more wheel and tire options. Otherwise, the specs remain unchanged. Pricing is £675 ($945) price tag including UK VAT or £562.50 ($785) for customers outside the UK. The Big Bro is available in four sizes: small (16″), medium (18″), large (20″), and extra large (22″). Framesets are due to arrive around the end of this month.

2021 Brother Cycles Big Bro

You can find full specs, geometry charts, and pre-ordering information over at BrotherCycles.com. Also, be sure to check out Cass’ full review of the Big Bro from 2018.

2021 Brother Cycles Kepler

Brother Kepler

Pre-orders for the 2021 Kepler frameset, their “gravel grinder, super commuter, galactic tourer,” are also open as of today. Pricing is £625 ($875) in the UK or £520.83 ($730) elsewhere. The Kepler is available in metallic pink or green this year. It’s designed to run either 700c or 650b wheels and can clear a 700c x 45mm or 650b x 48mm tire. Batches are scheduled to arrive in April and July of this year and framesets will be sold on a first-come, first-served basis. Find more details on the Kepler here.

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