Drivetrain |
Brompton Wide-range 6 speed drivetrain (2 x 3 speed), 302% range |
2x12-speed |
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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 |
Felt AeroRoad 3.0 | UHC Ultimate + TeXtreme carbon fiber |
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Stem |
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Felt Sprint | UHC Advanced carbon fiber |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
ZIPP SL-70 AERO |
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Fork |
Steel brazed fork |
Felt AeroRoad 3.0 | UHC Ultimate + TeXtreme carbon fiber |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Felt InternaLoc AEROroad 2.0 integrated with titanium bolts and high-frequency vibration reducing insert
Length : 350 mm can be cut to length |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Felt VelvetGel tape with 3M reflective base and Felt Bubble-Tech F-Wing bar end plugs |
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Crankset |
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SRAM RED, DUB, 48/35T
Crank Length : 48cm: 167.5 mm / 51cm: 170 mm / 54, 56cm: 172.5 mm / 58, 61cm: 175 mm |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
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SRAM RED |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
SRAM RED eTap AXS HRD |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
Prologo Dimension 143 Nack |
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Headset |
Brompton headset |
IS (NO.44) Top Cap: stem integrated / Top Cover : stem integrated / Top Cover (standard stem): Felt integrated nylon fiber / Bearings: FSA integrated sealed cartridge, MR121 upper, MR168 lower / Spacers: Felt integrated nylon fiber, aero (20 mm, 10 mm, 2x5 mm) / Compression Device: FSA ACR / Compression Ring: FSA H2081A / Crown Race: fork integrated |
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Derailleur Front |
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SRAM RED eTap AXS, braze-on |
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Derailleur Rear |
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SRAM RED eTap AXS |
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Cassette |
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SRAM RED XG-1290, 10-28T |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
CeramicSpeed EVO386 for SRAM DUB Road |
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Front |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Continental Grand Prix 5000 TL, 700 x 25c |
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Rear |
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall |
Continental Grand Prix 5000 TL, 700 x 25c |
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Wheel / RIM |
Front-wheel: Double-wall rim, 28 spokes laced to a Brompton front hub.
Rear-wheel: Double wall rim, 28 spoke, Brompton Wide ratio 3 speed internal gear hub with 2 speed external gears (13 and 16 tooth) |
ZIPP 454 NSW Carbon Tubeless Disc-brake, XDR |
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Tube |
Schrader valve |
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