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| Image |  |  |  | - |
|---|---|---|---|---|
| Product | AUTHOR Impulse 2012 | AUTHOR Ninja FR 2017 | AUTHOR Context 29 2020 | - |
| Code | UA#42802102 | UA#42882001 | UA#42925302 | - |
| Model card | link | link | link | - |
| Size | 15", 17", 19", 21", 23" | S, M, L | 17", 19", 21" | - |
| Frame | alloy 6061 26" | alloy 6061 26" | triple butted hydroformed alloy 6061 29" | - |
| Front fork | RST Capa T (80 mm) | RST Storm Super oil 20 mm thru axle 1.5" tapered steerer (180 mm) | RST F1RST 29 15 TRL air remote lock out (100 mm) | - |
| Head parts | FSA Integrated 1-1/8" | PRESTINE 1.5" tapered | FSA Integrated 1.5" tapered | - |
| Chain Wheel | PROWHEEL 48-38-28 teeth 170 / 175 mm cranks | TRUVATIV Hussefelt 1.0 34 teeth 170 mm cranks | SHIMANO 34 teeth 170 / 175 mm cranks | - |
| BBParts | VP COMP. cartridge | TRUVATIV Howitzer | SHIMANO BB-MT800 BB unit | - |
| Front derailleur | SHIMANO TX51 (34.9) | E13 chain guide | - | - |
| Rear derailleur | SHIMANO TX35 | SRAM X7 | SHIMANO SLX | - |
| Shifters | SHIMANO Altus (21) | SRAM X5 Trigger (9) | SHIMANO SLX (12) | - |
| Free wheel | SHIMANO MF-TZ21 14-28 (7) | SRAM PG-950 11-32 (9) | SHIMANO M7100 10-51 (12) | - |
| Chain | KMC Z51 | KMC X9 | KMC X12 | - |
| Hubs | QUANDO 36 holes | AUTHOR Argon 20 / Krypton 12 20 mm front thru axle 12 x 142 mm rear thru axle 32 holes | AUTHOR Helium 15 / SHIMANO 15 x 100 mm thru front axle 12 x 148 mm thru rear axle 32 holes | - |
| Brakes | TEKTRO 837AL | TRP Slate 4 disc hydraulic (8" / 7" rotors) | SHIMANO BT M400 disc hydraulic (7" rotors) | - |
| Brakes levers | SHIMANO Altus | TRP Slate 4 | TEKTRO Gemini | - |
| Rims | alloy 36 holes | AG Lab Reverse 32 holes | AUTHOR Xenon Pro 29 32 holes | - |
| Spokes | steel | black stainless steel butted front 1.8 / 2.0 mm rear 2.0 / 2.3 mm | stainless steel hi-ten 2.0 mm black | - |
| Tires | AUTHOR Spanker 26" x 1.95" | MAXXIS High Roller II kevlar 26" x 2.40" | VITTORIA Barzo kevlar 29" x 2.25" | - |
| Pedals | resin | AG Lab platform alloy replaceble pins | - | - |
| Handlebar | KALIN steel 20 mm 620 / 640 mm | AG Lab alloy 30 mm 780 mm | AUTHOR Flatbar 9° 700 / 720 mm | - |
| Grips | AUTHOR high density foam | AG Lab GripLock | AUTHOR Pro Lock | - |
| Stem | ZOOM alloy | AG Lab alloy | AUTHOR alloy | - |
| Seat post | ZOOM alloy (31.6) | AG Lab alloy (30.9) | AUTHOR alloy (31.6) | - |
| Seat clamp | AUTHOR (34.9) | AG Lab (34.9) | AUTHOR (34.9) | - |
| Saddle | AUTHOR Mega Top | AG Lab Throne DH / FR | AUTHOR Navigator | - |
| Speed | 21 | 9 | 12 | - |
| Weight | 13,6 Kg / 19" | 18,9 kg / M | 12 kg /19" | - |
| Shocker | - | spring shocker X-FUSION Vector R 222 / 70 mm (rear travel 180 mm) | - | - |
