| Drivetrain |
Brompton 3 speed drivetrain, 177% range |
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| Riding Modes |
3 Speed (Utility) |
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| Frame |
Main Frame: Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
Rear Frame: Hand brazed cold-formed micro-alloy steel tubing |
700 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, adjustable top tube IsoSpeed, invisible cable routing, control center, micro-adjust seat mast, precision water bottle placement, 3S aero chain keeper, DuoTrap S compatible, flat mount disc |
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| Stem |
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Trek Madone aero, invisible cable routing |
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| Handle Bar |
Mid handlebar |
Trek Madone adjustable aero VR-CF, OCLV Carbon, internal cable routing |
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| Fork |
Steel Brazed Fork |
Madone KVF full carbon, tapered carbon steerer, invisible cable routing, flat mount disc, carbon dropouts |
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| Seatpost |
Extended, Silver (35") |
Madone aero carbon seatmast cap, integrated light mount, 25 mm offset |
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| Grip |
Push-on Rubber Grips |
Bontrager Supertack Perf tape |
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| Crankset |
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SRAM RED D1, 24 mm spindle |
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| Pedals |
Non-folding Composite Pedals |
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| Chain |
6061 forged aluminium crank with 44T chainring and integrated chainguard |
SRAM RED D1, 12 speed |
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| Shifters |
Brompton 3 Speed Shifter |
SRAM RED eTap AXS, 12 speed |
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| Saddle |
A Line saddle with black rails 147mm width
Composite seat clamp and rear frame clip in matt black finish |
Bontrager Montrose Pro, carbon rails, 138 mm width |
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| Headset |
Brompton Headset |
Madone integrated, stainless cartridge bearings, sealed, 1-3/8 top, 1.5 bottom |
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| Derailleur Front |
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SRAM RED eTap AXS, braze-on |
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| Derailleur Rear |
Brompton Chain Pusher |
SRAM RED eTap AXS, Orbit chain management, 33 T max cog |
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| Cassette |
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SRAM RED XG-1290, 10-28, 12 speed |
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| Chainrings |
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48 / 35 |
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| Sprocket |
13 Tooth |
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| Bottom Bracket |
Square taper bottom bracket |
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| Front |
Schwalbe Marathon Racer |
Bontrager R4 320 Handmade Clincher, Hard-Case Lite, 320 tpi, 700 x 25 c |
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| Rear |
Schwalbe Marathon Racer |
Bontrager R4 320 Handmade Clincher, Hard-Case Lite, 320 tpi, 700 x 25 c |
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| Wheel / RIM |
Rear Wheel: Double-wall rim, 28 spoke, Brompton Standard ratio 3 speed internal gear hub, 13 tooth sprocket
Front Wheel: Double wall rims, 28 spokes laced to a Brompton front hub |
Bontrager Aeolus XXX 6, OCLV Carbon, Tubeless Ready, 21 mm rim width, 60 mm rim depth, 12 mm thru-axle |
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| Tube |
Schrader Valve |
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