2021 Focus Thron 6.9 Bike
For 2021, the frame platform of the THRON 6.9 mountain bike has been redeveloped from the ground up. The new 29″ mountain bike is aimed at trail riders and tourers. Retailing at a very reasonable $ 2,799, it also wants to offer an accessible gateway into the most beautiful sport in the world. As far as frame details go, the THRON doesn’t have to hide from the competition. The package includes a small frame bag attached to the down tube that can be used to carry trail essentials such as a spare inner tube, a CO2 cartridge or even a bag of gummy bears. However, the real highlight is FOCUS’ in-house C.I.S. stem, which routes all cables internally through the headset and directly into the frame. While ensuring a quiet ride and tidy look, the system also allows FOCUS to dispense with cable ports on the frame.
The design of the rear shock’s upper linkage bolts means they aren’t accessible when the bike is fully extended and, to tighten them, some disassembly of the linkage is required.
Specification
| S | M | L | XL | |
|---|---|---|---|---|
| Seat angle (degrees) | 75 | 75 | 75 | 75 |
| Head angle (degrees) | 66.6 | 66.6 | 66.6 | 66.6 |
| Chainstay (mm) | 435 | 435 | 435 | 435 |
| Seat tube (mm) | 125 | 150 | 170 | 170 |
| Top tube (mm) | 572 | 605 | 640 | 677 |
| Head tube (mm) | 100 | 110 | 130 | 160 |
| Fork offset (mm) | 46 | 46 | 46 | 46 |
| Bottom bracket drop (mm) | 35 | 35 | 35 | 35 |
| Wheelbase (mm) | 1,139 | 1,173 | 1,211 | 1,253 |
| Stack (mm) | 605 | 615 | 633 | 660 |
| Reach (mm) | 410 | 440 | 470 | 500 |
Geometry-wise, Focus attempts to blend agility with stability, so there’s a fairly steep 66.5-degree head angle and short 435mm chainstays matched to a generous 470mm reach and 1,211mm wheelbase (large).
There’s also a 75-degree effective seat tube angle, measured with the seatpost set to the same height as the top of the head tube
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