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| Image |  |  |  |  |
|---|---|---|---|---|
| Product | AUTHOR ULTIMA 2008 | Impulse 29 2023-24 | AUTHOR Electra 2021-22 | AUTHOR Frame Traction 2013 |
| Code | UA#42741101 | UA#4294490225 | UA#42940702 | UA#39820801 |
| Model card | link | link | link | link |
| Size | 15" | 17", 19", 21" | 17", 19" | - |
| Frame | hi-ten 24" (L) | alloy 6061 29" | alloy 6061 700c (L) | - |
| Front fork | hi-ten | RST Blaze 29 ML, lock out (100 mm) | RST Nova TnL lock out (60 mm) | - |
| Head parts | VP Comp. 1" | PRESTINE Integrated 1-1/8" | PRESTINE Integrated 1-1/8" | - |
| Chain Wheel | PROWHEEL 42-34-24 152mm cranks | PROWHEEL, 42-34-24 teeth, 170 / 175 mm cranks | SHIMANO Steps E-5010 38 teeth 170 mm cranks | - |
| BBParts | VP Comp. | VP COMP, cartridge | SHIMANO Steps | - |
| Front derailleur | SHIMANO TZ-30 (28.6) | SHIMANO TY700 (34.9) | - | - |
| Rear derailleur | SHIMANO TY-18 | SHIMANO Altus | SHIMANO Alivio | - |
| Shifters | SHIMANO Revoshift (18) | SHIMANO Altus (24) | SHIMANO Alivio (9) | - |
| Free wheel | SHIMANO MF-TZ-06 14-28 | SHIMANO HG200-8, 12-32 (8) | SHIMANO HG200-9 11-36 (9) | - |
| Chain | SHIMANO HP-20 | KMC Z8.3 | KMC e9T | - |
| Hubs | steel 36 holes | QUANDO Disc, 32 holes | AUTHOR Radon 36 holes | - |
| Brakes | V alloy | TEKTRO HD-M275 disc hydraulic (6" rotors) | TEKTRO Vela disc hydraulic (6" rotors) | - |
| Brakes levers | TEKTRO plastic /alloy | TEKTRO HD-M275 | TEKTRO Vela | - |
| Rims | alloy 36 holes | AUTHOR Xenon 29, 32 holes | AUTHOR Radon Cross 36 holes | - |
| Spokes | steel | black steel | black stainless steel 2.0 mm | - |
| Tires | 24" x 1 3/8" | VITTORIA Barzo 29" × 2.10" | CST reflexive stripes 700 × 40c | - |
| Pedals | resin | plastic | AUTHOR Non Slip alloy | - |
| Handlebar | KALIN steel | AUTHOR Flatbar, 9°, 700 mm | AUTHOR 25 mm 640 mm | - |
| Grips | AUTHOR high density foam | AUTHOR kratton rubber | AUTHOR Pro Lock | - |
| Stem | KALIN steel | AUTHOR alloy | UNO adjustable | - |
| Seat post | KALIN steel (25.4) | AUTHOR alloy (31.6) | UNO suspension (27.2) | - |
| Saddle | AUTHOR race-color | AUTHOR Courier | AUTHOR Queen Sofa | - |
| Speed | 18 | 24 | 9 | - |
| Weight | 12.40kg/ 15" | 14,9 kg / 19" | 22,8 kg / 17" | - |
| Seat clamp | - | AUTHOR (34.9) | AUTHOR (34.9) | - |
| Engine | - | - | SHIMANO Steps E-5000, 250 W | - |
| Battery | - | - | SHIMANO E-8010 Li-Ion, 36 V, 14 Ah, 504 Wh | - |
| Display | - | - | SHIMANO Steps E-6100, LCD | - |
