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| Image |  |  |  |  |
|---|---|---|---|---|
| Product | AUTHOR Bicycle Energy 2011 | AUTHOR Traction ASL 27,5 2019 | AUTHOR Bicycle Era 3.0 2011 | AUTHOR Zenith ASL 2012 |
| Code | UA#42780501 | UA#42907101 | UA#42786101 | UA#42807001 |
| Model card | link | link | link | link |
| Size | 10" | 14", 16", 18" | 17", 19", 21" | 17", 19.5" |
| Frame | hi-ten 20" | double butted hydroformed alloy 6061 27.5" (ASL) | AUTHOR carbon monocoque, suspension | double butted alloy 6061 700c (ASL) |
| Front fork | hi-ten | RST Aerial 27.5 TnL air, lock out (100 mm) | FOX F120RL OB air, lock out 15 mm thru axle 1.5" taper steerer (120 mm) | RST Vita TnL oil, lock out (60 mm) |
| Head parts | VP COMP. 1" | AUTHOR Integrated 1.5" tapered | FSA Orbit C-40 1.5" taper | AUTHOR Integrated 1-1/8" |
| Chain Wheel | PROWHEEL 36 teeth 127 mm cranks | SHIMANO 38-24 teeth 170 mm cranks | FSA Afterburner MegaExo 44-32-22 170 / 175 mm cranks | SUNTOUR XCR-V3-T414 44-32-22 teeth 170 / 175 mm cranks |
| BBParts | VP COMP. | SHIMANO BB-52 BB unit | FSA MegaExo BB unit | SHIMANO UN-26 |
| Rear derailleur | SHIMANO TY18 | SHIMANO Deore | SRAM X9 | SHIMANO Deore |
| Shifters | SHIMANO Revoshift (6) | SHIMANO Deore (20) | SRAM X9 Trigger (30) | SHIMANO Deore (27) |
| Free wheel | SHIMANO MF-TZ20 14-28 (6) | SHIMANO HG500-10 11-42 (10) | SRAM PG-1050 12-36 (10) | SHIMANO HG-50-9 11-34 (9) |
| Chain | KMC Z33 | KMC X10 | SRAM PC-1051 | SHIMANO HG-53 |
| Hubs | steel 36 holes | AUTHOR Radon 32 holes | AUTHOR Xenon Disc 15 mm thru axle 32 holes | AUTHOR 32 holes |
| Brakes | TEKTRO 55AL | TEKTRO Gemini disc hydraulic (6" rotors) | AVID Elixir CR MM disc hydraulic (7" rotors) | TEKTRO 857AL |
| Brakes levers | TEKTRO plastic / alloy | TEKTRO Gemini WS | AVID Elixir CR MM | TEKTRO CL-530 |
| Rims | alloy 36 holes | AUTHOR Xenon Pro 27.5 32 holes | AUTHOR Helium Pro 32 holes | AUTHOR Xenon Cross black 32 holes |
| Spokes | steel | black stainless steel 2.0 mm | black stainless steel 2.2 mm butted | black stainless steel 2.0 mm |
| Tires | 20" x 1.75" | VITTORIA Barzo kevlar 27.5" x 2.25" | GEAX Saguaro Kevlar 26" x 2.20" | AUTHOR PANARACER Silk Road Cross 700 x 38c |
| Pedals | resin | AUTHOR alloy | SHIMANO M540 clipless | AUTHOR NonSlip alloy |
| Handlebar | KALIN steel 20 mm | AUTHOR 9° 640 / 660 mm | EASTON M-Lite XC carbon 20 mm 31.8 mm | AUTHOR 20 mm 620 / 640 mm |
| Grips | AUTHOR kratton rubber | AUTHOR GripLock foam | AUTHOR GripLock | AUTHOR ErgoGrip |
| Stem | KALIN steel | AUTHOR alloy | EASTON EA70 | UNO adjustable |
| Seat post | KALIN steel (25.4) | AUTHOR alloy (31.6) | EASTON EC 70 Zero carbon (31.6) | AUTHOR alloy (31.6) |
| Seat clamp | AUTHOR (28.6) | AUTHOR (34.9) | AUTHOR (34.9) | AUTHOR (34.9) |
| Saddle | AUTHOR Race | AUTHOR Fenix | FIZIK Gobi XM | AUTHOR Area Gel |
| Speed | 6 | 20 | 30 | 27 |
| Weight | 11 kg / 10" | 12,8kg / 16" | 12.3 kg / 19" | 13,2 Kg / 17" |
| Front derailleur | - | SHIMANO Deore (34.9) | SRAM X9 (34.9) | SHIMANO Alivio (34.9) |
| Shocker | - | - | oil-air shocker FOX Float RP23BV lock out 190 / 50 mm (rear travel 130 mm) | - |
