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| Image |  |  |  |  |
|---|---|---|---|---|
| Product | AUTHOR Era 3.0 2012 | Versus 27,5 1.0 2023-24 | AUTHOR Vertigo 2018 | AUTHOR Master 2013 |
| Code | UA#42806201 | UA#42952301 | UA#42896502 | UA#42815301 |
| Model card | link | link | link | link |
| Size | 17", 19", 21" | 15", 17", 19" | 16', 18', 20', 22' | 16", 17.5", 19", 20.5" |
| Frame | carbon monocoque, suspension | hydroformed alloy 6061 27.5" | alloy 6061 700c | AUTHOR B carbon monocoque 26" |
| Shocker | oil-air shocker FOX Float RP23BV lock out 190 / 50 mm (rear travel 130 mm) | - | - | - |
| Front fork | FOX 32 Float 140 Fit RL air, lock out 15 mm thru axle 1.5" taper steerer (140 mm) | RST Blaze 27.5 TnL oil, lock out (120 mm) | RST Nova ML lock out (60 mm) | ROCK SHOX SID RLT air, remote lock out 15 mm thru axle 1.5" taper steerer (100 mm) |
| Head parts | FSA Orbit C-40 1.5" taper | PRESTINE Integrated 1-1/8" | PRESTINE Integrated 1-1/8' | FSA Orbit 1.5B 1.5" taper |
| Chain Wheel | SHIMANO XT-10 42-32-24 teeth 170 / 175 mm cranks | SHIMANO MT101-2, 36-22 teeth, 170 / 175 mm cranks | SUNTOUR NCX 48-38-28 teeth 170 / 175 mm cranks | SRAM S1400 42-28 teeth 170 / 175 mm cranks |
| BBParts | SHIMANO XT-10 BB unit | SHIMANO BB-UN101, cartridge | SUNTOUR XCT cartridge | SRAM BB30 Press Fit |
| Front derailleur | SHIMANO XT (34.9) | SHIMANO Alivio (34.9) | SHIMANO Altus (31.8) | SRAM X9 (34.9) |
| Rear derailleur | SHIMANO XT | SHIMANO Alivio | SHIMANO Altus | SRAM X9-T2 |
| Shifters | SHIMANO XT (30) | SHIMANO Alivio (18) | SHIMANO Altus (27) | SRAM X0 GripShift (20) |
| Free wheel | SHIMANO M771-10 11-36 (10) | SHIMANO CS-HG200-9, 11-36 (9) | SHIMANO HG200-9 11-34 (9) | SRAM PG-1050 12-36 (10) |
| Chain | SHIMANO HG-74 | KMC Z9 | KMC Z99 | SRAM PC-1051 |
| Hubs | SHIMANO XT Disc 15 mm thru axle 32 holes | QUANDO Disc, 32 holes | QUANDO Disc 32 holes | AUTHOR Helium / Xenon Disc 15 mm thru axle 32 holes |
| Brakes | SHIMANO XT disc hydraulic (7" rotors) | TEKTRO HD-M280, disc hydraulic (7" rotors) | TEKTRO disc hydraulic (6' rotors) | AVID Elixir 7 disc hydraulic (6" rotors) |
| Brakes levers | SHIMANO XT | TEKTRO HD-M280 | TEKTRO | AVID Elixir 7 |
| Rims | AUTHOR Helium Pro 32 holes | AUTHOR Xenon TRC 27.5, 32 holes | AUTHOR Radon Cross 32 holes | AUTHOR Helium Pro 32 holes |
| Spokes | black stainless steel 2.2 mm double butted | black steel | black steel | black stainless steel 2.0 mm triple butted |
| Tires | GEAX AKA Kevlar 26" x 2.20" | MAXXIS Rekon 27.5" × 2.40" | AUTHOR Speed Master 700 x 42c | GEAX Barro Race Kevlar 26" x 2.00" |
| Pedals | SHIMANO M540 clipless | AUTHOR dural | AUTHOR Non Slip resin | SHIMANO M540 clipless |
| Handlebar | EASTON EC70 carbon 20 mm 685 mm | rise 25 mm, 9°, 700 / 720 mm | steel 20 mm 660mm | RITCHEY WCS 0 mm 580 mm |
| Grips | AUTHOR GripLock | AUTHOR Pro Lock | AUTHOR ErgoGrip | SRAM X0 GripShift |
| Stem | EASTON EA90 | alloy | ZOOM adjustable | RITCHEY WCS C-260 |
| Seat post | EASTON EC 70 Zero carbon (31.6) | alloy (31.6) | AUTHOR alloy (27.2) | RITCHEY Pro Carbon 2B (31.6) |
| Seat clamp | AUTHOR (34.9) | AUTHOR (34.9) | AUTHOR (31.8) | AUTHOR (34.9) |
| Saddle | FIZIK Gobi XM | AUTHOR Patriot | AUTHOR Courier | FIZIK Tundra II |
| Speed | 30 | 18 | 27 | 20 |
| Weight | 12,2 Kg / 19" | 15,0 kg / 17" | 14,2 kg / 20' | 9,9 Kg / 19" |
