| Selected Bikes |  Author Ultrasonic 27.5 2021-22
Brand: Model: |
 BMC Trackmachine AL
Brand: Model: |
Brand: Model: |
Brand: Model: |
| Gear Shift Pattern | -- | Gear : 1 Speed Fixed | ||
| Speed | 11 | -- | ||
| Frame | Triple butted hydroformed alloy 6061 27.5" | Trackmachine TR02, BSA threaded bottom bracket | ||
| Stem | AUTHOR alloy | BMC RSM 03 | ||
| Handle Bar | AUTHOR Flat Top bar 9° 620 / 640 mm | BMC RAB 03, ergo top shape, compact bend | ||
| Fork | Front : RST F1RST 27.5 air, lock out (80 mm) | Aero 02 Carbon, subA Aero Technology | ||
| Seatpost | AUTHOR alloy (31.6) | Trackmachine 02 Airfoil post, carbon | ||
| Grip | AUTHOR kratton rubber | -- | ||
| Pedals | Alloy | -- | ||
| Chain | KMC X11 | Miche Pista, 1/8" | ||
| Shifters | SHIMANO SLX (11) | -- | ||
| Saddle | AUTHOR Champion Author Navigator | Velo | ||
| Derailleur Rear | SHIMANO SLX | -- | ||
| Hub Front | AUTHOR Xenon 32 holes | DT Swiss | ||
| Hub Rear | -- | DT Swiss | ||
| Spoke | Black stainless steel 2.0 mm | -- | ||
| Cassette | -- | Miche Pista Steel, 15T | ||
| Chainrings | -- | Chainwheel : Miche Advanced Pista, 48T | ||
| Bottom Bracket | PROWHEL BB unit | -- |
| Front | CST B-Trail aramid 27.5" × 2.25" | 23 mm, Continental Grand Sport Race SL | ||
| Rear | CST B-Trail aramid 27.5" × 2.25" | 23 mm, Continental Grand Sport Race SL | ||
| Wheel / RIM | Rims :AUTHOR Xenon TRC 27.5 32 holes | DT Swiss |
| Front | TEKTRO Gemini disc hydraulic (6" rotors) | -- | ||
| Rear | TEKTRO Gemini disc hydraulic (6" rotors) | -- | ||
| Brake Lever | TEKTRO Gemini WS | -- |
| Front | -- | -- | ||
| Rear | -- | -- |
| Colors | -- | -- |
| Length | -- | -- | ||
| Weight | 12 kg | 7.4 kg |
| Features | -- | - Vmax Technology - p2p integrated seatpost - Adjustable Dropouts |
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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 |
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