| Selected Bikes |  Author Ultrasonic 27.5 2021-22
Brand: Model: |
 Opus Liberty
Brand: Model: |
Brand: Model: |
Brand: Model: |
| Speed | 11 | -- | ||
| Frame | Triple butted hydroformed alloy 6061 27.5" | -- | ||
| Stem | AUTHOR alloy | Opus Bronze | ||
| Handle Bar | AUTHOR Flat Top bar 9° 620 / 640 mm | Promax HB-3188DB | ||
| Fork | Front : RST F1RST 27.5 air, lock out (80 mm) | Carbon with 60mm clearance | ||
| Seatpost | AUTHOR alloy (31.6) | Opus Gold 27.2 x 300 | ||
| Grip | AUTHOR kratton rubber | Opus Lifestyle, Duracork/Kraton | ||
| Crankset | -- | Prowheel Ounce single ring | ||
| Pedals | Alloy | FPD NW-99K | ||
| Chain | KMC X11 | KMC X9 EPT | ||
| Shifters | SHIMANO SLX (11) | Shimano Alivio 9 | ||
| Saddle | AUTHOR Champion Author Navigator | Opus Lifestyle Sport | ||
| Headset | -- | FSA NO.42/48/ACB | ||
| Derailleur Rear | SHIMANO SLX | Shimano Altus M2000 Shadow | ||
| Hub Front | AUTHOR Xenon 32 holes | -- | ||
| Hub Rear | -- | Joytech | ||
| Spoke | Black stainless steel 2.0 mm | -- | ||
| Cassette | -- | Shimano HG-400-9 11-36 | ||
| Chainrings | -- | 42 | ||
| Bottom Bracket | PROWHEL BB unit | CH-46-E cartridge |
| Front | CST B-Trail aramid 27.5" × 2.25" | Continental Contact Speed 700 x 35c | ||
| Rear | CST B-Trail aramid 27.5" × 2.25" | Continental Contact Speed 700 x 35c | ||
| Wheel / RIM | Rims :AUTHOR Xenon TRC 27.5 32 holes | Weinmann Aquila 21 700c |
| Front | TEKTRO Gemini disc hydraulic (6" rotors) | Shimano BR-U300 flat-mount hydraulic disc | ||
| Rear | TEKTRO Gemini disc hydraulic (6" rotors) | -- | ||
| Brake Lever | TEKTRO Gemini WS | Shimano BL-M200 |
| Front | -- | -- | ||
| Rear | -- | -- |
| Colors | -- | Burnt Orange Zinc Graphite |
| Length | -- | -- | ||
| Weight | 12 kg | 10.6 kg |
| Features | -- | - 6061 Meta 30 Aluminum frame - Carbon fork w/ 60mm clearance - High-tech 9 speed Alivio drivetrain - Powerful Hydraulic disc brakes - Sleek fenders keep your cottons fresh & dry |
||
| Additional Details | SIZE :14", 16" HEAD PARTS: AUTHOR Integrated 1.5" tapered CHAIN WHEEL : PROWHEEL 32 teeth 165 / 170 mm cranks |
Sizes : S-M-L-XL | ||
| Accessories | -- | Front and rear-rack ready Chain catcher Lightweight fenders |
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