| Selected Bikes |  Author Ultrasonic 27.5 2021-22
Brand: Model: |
 Co-Motion PeriScope Trident
Brand: Model: |
Brand: Model: |
Brand: Model: |
| Speed | 11 | -- | ||
| Frame | Triple butted hydroformed alloy 6061 27.5" | Handbuilt frame with zonally-butted Co-Motion design cro-moly steeltubing | ||
| Stem | AUTHOR alloy | FSA Gossamer and Co-Motion adj. stoker stems | ||
| Handle Bar | AUTHOR Flat Top bar 9° 620 / 640 mm | -- | ||
| Fork | Front : RST F1RST 27.5 air, lock out (80 mm) | Co-Motion Taper Gauge w/ CNC Tandem Steerer | ||
| Seatpost | AUTHOR alloy (31.6) | -- | ||
| Grip | AUTHOR kratton rubber | -- | ||
| Pedals | Alloy | -- | ||
| Chain | KMC X11 | -- | ||
| Shifters | SHIMANO SLX (11) | Shimano 105 R7000 GS 2x11-speed | ||
| Saddle | AUTHOR Champion Author Navigator | Co-Motion 29.8mm, PeriScope Seatmast System / Selle Italia X1 & X3 Lady | ||
| Headset | -- | FSA Orbit Z Internal | ||
| Derailleur Front | -- | Shimano 105 R7000 GS 2x11-speed | ||
| Derailleur Rear | SHIMANO SLX | Shimano 105 R7000 GS 2x11-speed | ||
| Hub Front | AUTHOR Xenon 32 holes | -- | ||
| Spoke | Black stainless steel 2.0 mm | -- | ||
| Cassette | -- | 11-34t cassette | ||
| Bottom Bracket | PROWHEL BB unit | -- |
| Front | CST B-Trail aramid 27.5" × 2.25" | Schwalbe Spicer 26 x 1.5" | ||
| Rear | CST B-Trail aramid 27.5" × 2.25" | Schwalbe Spicer 26 x 1.5" | ||
| Wheel / RIM | Rims :AUTHOR Xenon TRC 27.5 32 holes | Co-Motion A-20 tandem hubs / Velocity Dyad 26" rims |
| Front | TEKTRO Gemini disc hydraulic (6" rotors) | Avid BB7 203 mm disc | ||
| Rear | TEKTRO Gemini disc hydraulic (6" rotors) | Avid BB7 203 mm disc | ||
| Brake Lever | TEKTRO Gemini WS | -- |
| Front | -- | -- | ||
| Rear | -- | -- |
| Colors | -- | -- |
| Length | -- | -- | ||
| Weight | 12 kg | -- |
| Features | -- | - Co-Motion zonally-butted cromoly tubing - Sure and steady handling for three - Proven Co-Motion touring geometry - Rack/ fender mounts |
||
| Additional Details | SIZE :14", 16" HEAD PARTS: AUTHOR Integrated 1.5" tapered CHAIN WHEEL : PROWHEEL 32 teeth 165 / 170 mm cranks |
Drivetrain : Co-Motion Compact tandem cranks 50/34t Cockpit : FSA Omega and Co-Motion stoker bars |
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