| Selected Bikes |  Author Ultrasonic 27.5 2021-22
Brand: Model: |
 Trek Townie Path 9D Equipped Step-Thru
Brand: Model: |
Brand: Model: |
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| Load Carrying Capacity | -- | Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg) | ||
| Speed | 11 | -- | ||
| Frame | Triple butted hydroformed alloy 6061 27.5" | 6061-T6 aluminum w/ patented Flat Foot Technology | ||
| Stem | AUTHOR alloy | Forged alloy 25.4 mm quill, 80 mm extension | ||
| Handle Bar | AUTHOR Flat Top bar 9° 620 / 640 mm | Alloy custom bend 25.9" width/4" rise | ||
| Fork | Front : RST F1RST 27.5 air, lock out (80 mm) | Alloy, straight/tapered leg | ||
| Seatpost | AUTHOR alloy (31.6) | Alloy micro-adjust 27.2 mm x 400 mm | ||
| Grip | AUTHOR kratton rubber | Electra Townie custom ergo kraton w/ locking collars | ||
| Crankset | -- | Forged alloy 170 mm with double chainguards | ||
| Pedals | Alloy | Resin platform w/ grip tape tread | ||
| Chain | KMC X11 | KMC X9 nickel plated | ||
| Shifters | SHIMANO SLX (11) | Shimano acera rapid fire plus | ||
| Saddle | AUTHOR Champion Author Navigator | Selle royal Electra gel comfort saddle w/ shock-absorbing elastomers | ||
| Headset | -- | 1 1/8" steel threaded/semi-integrated | ||
| Derailleur Rear | SHIMANO SLX | Shimano Alivio 9-speed | ||
| Hub Front | AUTHOR Xenon 32 holes | Alloy low flange w/ center lock disc, 32h | ||
| Hub Rear | -- | Shimano Nexus Dynamo w/ center lock disc, 32h | ||
| Spoke | Black stainless steel 2.0 mm | -- | ||
| Cassette | -- | Shimano 9-speed 11-36t | ||
| Chainrings | -- | 42t chainring | ||
| Bottom Bracket | PROWHEL BB unit | Sealed cartridge 68 mm/113 mm |
| Front | CST B-Trail aramid 27.5" × 2.25" | Kenda Kwik seven.5 27.5" x 2.4" w/ k-shield protection and reflective stripe | ||
| Rear | CST B-Trail aramid 27.5" × 2.25" | Kenda Kwik seven.5 27.5" x 2.4" w/ k-shield protection and reflective stripe | ||
| Wheel / RIM | Rims :AUTHOR Xenon TRC 27.5 32 holes | Alloy double walled 27.5" x 32h |
| Front | TEKTRO Gemini disc hydraulic (6" rotors) | Front/rear: Tektro hydraulic disc brake | ||
| Rear | TEKTRO Gemini disc hydraulic (6" rotors) | Front/rear: Tektro hydraulic disc brake | ||
| Brake Lever | TEKTRO Gemini WS | -- |
| Front | -- | -- | ||
| Rear | -- | -- |
| Colors | -- | Matte Rosewood Dusk Matte Gunmetal Aurora Metallic Pearlized White |
| Length | -- | -- | ||
| Weight | 12 kg | 14.5 kg |
| Features | -- | - Flat Foot Technology - MIK Compatibility |
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| Additional Details | SIZE :14", 16" HEAD PARTS: AUTHOR Integrated 1.5" tapered CHAIN WHEEL : PROWHEEL 32 teeth 165 / 170 mm cranks |
Painted alloy fenders and chainguard Rear MIK compatible rack Hub dynamo powered Spanninga front and rear LED lights |
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