At first glance, the 2019 BMC Speedfox 02 ONE looks like just about any other modern trail bike, outside of the unusually-extroverted color schemes. That’s no bad thing, as the outgoing Speedfox was notable for its playfulness and capability while using 29er wheels over terrain that would flummox lesser trail bikes. Inside the Speedfox 02 hides a secret – a new technology BMC call Trailsync.
Very simply, Trailsync combines dropper post compression with rear suspension adjustment into one simple remote lever. As the rider moves the mechanical dropper post into one of the three available positions (top, 20mm down, and fully lowered), the rear shock swaps accordingly from a trail mode (firm, with some built-in travel compliance) to a full-travel open mode as the saddle lowers. This simplifies the number of adjustments made while riding, and leaves the handlebars with just one lever where two would usually be. Further, the dropper post is integrated into the frame for a smooth trail experience, and a clean look that exemplifies BMC’s mission with Trailsync. While it is odd to have complete control taken out, Trailsync quickly becomes second nature – and with time is surprisingly intuitive.
BMC didn’t just stop there. They worked on their Advanced Pivot System (APS) to stiffen up the rear swingarm, while retuning the rear shock in conjunction with the pivot to allow for more small-bump compliance. This allows for full use of the shock’s travel while feeling linear without typical pedal bob. The front fork comes with 120mm travel, and is mated to a slack 68 degree headtube. Reach has been lengthened across the range as well. The Speedfox 02 receives a carbon frame and alloy swingarm for a weight of 2680g for a frame, swingarm, and hardware.
Integration has been the ultimate goal of the new Speedfox, starting with Trailsync. They’ve also done a great job with revised internal cable wiring, introducing individual channels for easy cable installation. The rear shock’s cable integrates neatly into the frame, keeping it out of sight. They’ve included a mud flap for the rear swingarm linkage to neatly cover the rear derailleur & brake cabling, while simultaneously preventing wear and tear caused by elements to the rear linkage. BMC also saw fit to include rubber guards along the downtube, driveside chainstay, and drive side bottom bracket to protect from abrasion or chainsuck.
The 2019 BMC Speedfox 02 ONE features BMC’s premium carbon frame and swingarm, and pairs it to a SRAM GX Eagle drivetrain, Shimano Deore XT brakes, a 120 mm Fox DPS Performance Elite rear shock, a 120 mm RockShox Pike RC fork, and DT Swiss XM 1700 30 Spline wheels. It is available in four sizes (S – XL); sizes small and medium receive 27.5” wheels, while medium, thru extra large receive 29”.
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