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| Image |  |  |  |  |
|---|---|---|---|---|
| Product | AUTHOR Impulse 2018 | AUTHOR Traction ASL 2017 | AUTHOR Energy 20 2020 | AUTHOR Unica 2012 |
| Code | UA#42892702 | UA#42875301 | UA#42920601 | UA#42801801 |
| Model card | link | link | link | link |
| Size | 15', 17', 19', 21' | 14", 16", 18" | 10" | 16", 18" |
| Frame | alloy 6061 27.5' | double butted hydroformed alloy 6061 27.5" (ASL) | hi-ten 20" | alloy 6061 26" (L) |
| Front fork | RST Gila 27.5 ML lock out (100 mm) | RST Aerial 27.5 TnL air, lock out (100 mm) | hi-ten | hi-ten |
| Head parts | PRESTINE Integrated 1-1/8' | AUTHOR Integrated 1.5" tapered | VP COMP 1" | PRESTINE 1-1/8" |
| Chain Wheel | PROWHEEL 42-34-24 teeth 170 / 175 mm cranks | SHIMANO Deore 40-30-22 teeth 170 mm cranks | PROWHEEL 36 teeth 127 mm cranks | PROWHEEL 48-38-28 teeth 170 mm cranks |
| BBParts | VP COMP cartridge | SHIMANO BB-52 BB unit | VP COMP | VP COMP. cartridge |
| Front derailleur | SHIMANO TY700 (34.9) | SHIMANO Deore (34.9) | - | SHIMANO TX51 (31.8) |
| Rear derailleur | SHIMANO Altus | SHIMANO Deore | SHIMANO TY21 | SHIMANO TX35 |
| Shifters | SHIMANO Altus (24) | SHIMANO Deore (30) | SHIMANO Revoshift (6) | SHIMANO Revoshift (21) |
| Free wheel | SHIMANO HG200-8 12-32 (8) | SHIMANO HG50-10 11-36 (10) | SHIMANO MF-TZ500-6 14-28 (6) | SHIMANO MF-TZ21 14-28 (7) |
| Chain | KMC Z72 | KMC X10 | KMC Z6 | KMC Z51 |
| Hubs | QUANDO Disc 32 holes | AUTHOR Radon 32 holes | hi-ten 32 holes | QUANDO 36 holes |
| Brakes | TEKTRO disc hydraulic (6' rotors) | TEKTRO Gemini disc hydraulic (6" rotors) | TEKTRO V | TEKTRO 837AL |
| Brakes levers | TEKTRO | TEKTRO Gemini WS | TEKTRO resin / alloy | TEKTRO plastic / alloy |
| Rims | AUTHOR Xenon 27.5 32 holes | AUTHOR Xenon Pro 27.5 32 holes | alloy 32 holes | alloy 36 holes |
| Spokes | black steel | black stainless steel 2.0 mm | hi-ten | steel |
| Tires | AUTHOR Rocket 27.5' x 2.10' | VITTORIA Barzo kevlar 27.5" x 2.25" | 20" × 1.75" | AUTHOR Spanker 26" x 1.95" |
| Pedals | resin | AUTHOR alloy | resin | resin |
| Handlebar | AUTHOR 8° 660 / 680 mm | AUTHOR 9° 640 / 660 mm | hi-ten 20 mm 540 mm | KALIN steel 20 mm 620 mm |
| Grips | AUTHOR kratton rubber | AUTHOR high density foam | AUTHOR kratton rubber | AUTHOR high density foam |
| Stem | AUTHOR alloy | AUTHOR alloy | alloy | ZOOM alloy |
| Seat post | AUTHOR alloy (31.6) | AUTHOR alloy (31.6) | hi-ten (25.4) | KALIN steel (27.2) |
| Seat clamp | AUTHOR (34.9) | AUTHOR (34.9) | AUTHOR (28.6) | AUTHOR (31.8) |
| Saddle | AUTHOR Courier | AUTHOR Fenix | AUTHOR Pilot | AUTHOR |
| Speed | 24 | 30 | 6 | 21 |
| Weight | 14,2 kg / 19' | 12,9 kg / 16" | 10,9 kg /10" | 12,9 Kg / 18" |
