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| Product | AUTHOR ENIGMA 2008 | AUTHOR Modus 27,5 2019 | AUTHOR SYMPHONY 2009 | AUTHOR Engine 29 2019 |
| Code | UA#42746601 | UA#42908001 | UA#42767801 | UA#42911102 |
| Model card | link | link | link | link |
| Size | 17", 19" | 16", 17.5", 19", 20.5" | 17", 19" | 17", 19", 21" |
| Frame | tripple butted alloy 6061 700C (L) | AUTHOR C carbon monocoque 27.5" | alloy 6061 700C (L) | double butted hydroformed alloy 6061 29" |
| Front fork | RST Vita TnL oil, lock out (60 mm) | RST F1RST 27.5 TRL air, remote lock out 1.5" tapered steerer (100 mm) | RST Sofi T (50 mm) | RST Aerial 29 TnL air, lock out (100 mm) |
| Head parts | RITCHEY 1-1/8" Logic V2 (ahead) | FSA Orbit 1.5B 1.5" tapered | Prestine 1" | FSA Integrated 1-1/8" |
| Chain Wheel | SHIMANO M521 48-36-26 170 mm cranks | SHIMANO 38-24 teeth 170 / 175 mm cranks | SUNTOUR XCT-V2-308 48-38 170 mm cranks | BAFANG 38 teeth 170 / 175 mm cranks |
| BBParts | SHIMANO ES-25 Octalink splined | SHIMANO BB-52 BB unit | SUNTOUR XCM cartridge | BAFANG |
| Front derailleur | SHIMANO Deore (34.9) | SHIMANO Deore (34.9) | SHIMANO R440 (31.8) | - |
| Rear derailleur | SHIMANO LX | SHIMANO Deore | - | SHIMANO Deore |
| Shifters | SHIMANO LX (27) | SHIMANO Deore (20) | SHIMANO Alfine (16) | SHIMANO Deore (10) |
| Free wheel | SHIMANO HG-50-9 11-34 | SHIMANO HG500-10 11-42 (10) | 20T | SHIMANO HG50-10 11-36 (10) |
| Chain | SHIMANO HG-53 | KMC X10 | SHIMANO HG-53 | KMC e10T |
| Hubs | SHIMANO Deore 32 holes | AUTHOR Radon / Xenon 12 12 x 142 mm thru rear axle 32 holes | SHIMANO Dynamo 32 holes SHIMANO Alfine 32 holes | AUTHOR Xenon 32 holes |
| Brakes | TEKTRO MT-14 | TEKTRO Gemini disc hydraulic (6" rotors) | TEKTRO 57AL | TEKTRO M745 disc hydraulic (7" rotors) |
| Brakes levers | TEKTRO CL-530 | TEKTRO Gemini | SHIMANO Alfine | TEKTRO M745 |
| Rims | AUTHOR Xenon Cross 32 holes | AUTHOR Xenon Pro 27.5 32 holes | JALCO ATB 220 black doublewall 32 holes | AUTHOR E-Krypton 29 32 holes |
| Spokes | black stainless steel 2.0mm | black stainless steel 2.0 mm | stainless steel 2.0 mm | black stainless steel 2.2 mm |
| Tires | AUTHOR PANARACER Silk Road Cross 700 x 35c | VITTORIA Barzo kevlar 27.5" x 2.25" | CST C-1447 700 x 40c | VITTORIA e-Barzo kevlar 29" x 2.25" |
| Pedals | AUTHOR oneside clipless | - | AUTHOR anti-slip | HT platmorm |
| Handlebar | RITCHEY Comp | AUTHOR 9° 660 / 680 mm | KALLOY alloy 45 mm riser | AUTHOR 15 mm 700 / 720 mm |
| Grips | AUTHOR superlite foam | AUTHOR Pro Lock | AUTHOR ErgoGrip | AUTHOR Pro Lock |
| Stem | RITCHEY | AUTHOR alloy | UNO alloy adjustable | AUTHOR alloy |
| Seat post | RITCHEY (31.6) | AUTHOR alloy (31.6) | UNO alloy suspension (27.2) | AUTHOR alloy (31.6) |
| Seat clamp | AUTHOR (34.9) | AUTHOR (34.9) | AUTHOR (31.8) | AUTHOR (34.9) |
| Saddle | AUTHOR Author Sport Lady | AUTHOR Navigator | AUTHOR Tour Gel Lady | AUTHOR Navigator |
| Speed | 27 | 20 | 16 | 10 |
| Weight | 12.40kg/ 19" | 11,7kg / 19" | 17.70 / 19" | 21,9kg / 19" |
| Engine | - | - | - | BAFANG Max Motor 250W |
| Battery | - | - | - | HAN-WIN Li-lon, 36V, 14 Ah, 500 Wh |
| Display | - | - | - | LCD |
