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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR ULTIMA 2008 | Impulse 29 2023-24 | - | - |
| Code | UA#42741101 | UA#4294490225 | - | - |
| Model card | link | link | - | - |
| Size | 15" | 17", 19", 21" | - | - |
| Frame | hi-ten 24" (L) | alloy 6061 29" | - | - |
| Front fork | hi-ten | RST Blaze 29 ML, lock out (100 mm) | - | - |
| Head parts | VP Comp. 1" | PRESTINE Integrated 1-1/8" | - | - |
| Chain Wheel | PROWHEEL 42-34-24 152mm cranks | PROWHEEL, 42-34-24 teeth, 170 / 175 mm cranks | - | - |
| BBParts | VP Comp. | VP COMP, cartridge | - | - |
| Front derailleur | SHIMANO TZ-30 (28.6) | SHIMANO TY700 (34.9) | - | - |
| Rear derailleur | SHIMANO TY-18 | SHIMANO Altus | - | - |
| Shifters | SHIMANO Revoshift (18) | SHIMANO Altus (24) | - | - |
| Free wheel | SHIMANO MF-TZ-06 14-28 | SHIMANO HG200-8, 12-32 (8) | - | - |
| Chain | SHIMANO HP-20 | KMC Z8.3 | - | - |
| Hubs | steel 36 holes | QUANDO Disc, 32 holes | - | - |
| Brakes | V alloy | TEKTRO HD-M275 disc hydraulic (6" rotors) | - | - |
| Brakes levers | TEKTRO plastic /alloy | TEKTRO HD-M275 | - | - |
| Rims | alloy 36 holes | AUTHOR Xenon 29, 32 holes | - | - |
| Spokes | steel | black steel | - | - |
| Tires | 24" x 1 3/8" | VITTORIA Barzo 29" × 2.10" | - | - |
| Pedals | resin | plastic | - | - |
| Handlebar | KALIN steel | AUTHOR Flatbar, 9°, 700 mm | - | - |
| Grips | AUTHOR high density foam | AUTHOR kratton rubber | - | - |
| Stem | KALIN steel | AUTHOR alloy | - | - |
| Seat post | KALIN steel (25.4) | AUTHOR alloy (31.6) | - | - |
| Saddle | AUTHOR race-color | AUTHOR Courier | - | - |
| Speed | 18 | 24 | - | - |
| Weight | 12.40kg/ 15" | 14,9 kg / 19" | - | - |
| Seat clamp | - | AUTHOR (34.9) | - | - |
