| 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 |
All-New, 100mm travel, BallisTec Hi-Mod Carbon, Proportional Response Tuned, FlexPivot Chainstay, PF30-83, Tapered Headtube,Speed Release 12mm thru axle, Ai Offset, Stash compatible |
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| Stem |
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Cannondale 1, 7075 Alloy, 1-1/8", 31.8, 7° |
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| Handle Bar |
Mid handlebar |
ENVE M5, Carbon, 31.8 mm, 5 mm rise, 9° sweep, 760 mm |
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| Fork |
Steel Brazed Fork |
Lefty Ocho 120 Carbon, 100mm, Chamber Damper with remote lockout, OppO Spring System, tapered steerer, 55mm offset |
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| Seatpost |
Extended, Silver (35") |
ENVE Carbon, 31.6 x 400mm, 0mm offset |
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| Grip |
Push-on Rubber Grips |
ESI Chunky Silicone, 32mm dia. |
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| Crankset |
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SRAM XX1 Eagle DUB, 34T, Ai offset |
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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 XX1 Eagle, Copper, 12-speed |
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| Shifters |
Brompton 3 Speed Shifter |
SRAM Eagle 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 |
PROLOGO Dimension NDR CPC Tirox Saddle |
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| Headset |
Brompton Headset |
Integrated, 1-1/8 to 1.5", sealed angular contact bearings |
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| Derailleur Rear |
Brompton Chain Pusher |
SRAM XX1 Eagle AXS |
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| Hub Front |
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Lefty 60 |
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| Hub Rear |
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Custom DT Swiss, 36t Star Ratchet, 12x148mm thru-axle |
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| Spoke |
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DT Swiss Aerolite, straight pull |
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| Sprocket |
13 Tooth |
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| Bottom Bracket |
Square taper bottom bracket |
SRAM DUB PF30 MTB83 |
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| Front |
Schwalbe Marathon Racer |
Schwalbe Racing Ray EVO, 29 x 2.25", SnakeSkin, Addix Speedgrip, tubeless ready |
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| Rear |
Schwalbe Marathon Racer |
Schwalbe Racing Ralph EVO, 29 x 2.25", SnakeSkin, Addix Speed, tubeless ready |
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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 |
ENVE M525 Carbon, 24h, tubeless ready |
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| Tube |
Schrader Valve |
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| About |
The Brompton A Line is a practical bicycle designed with a focus on utility. Its technical spec Read More |
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| Features |
- 3 Easy to use hub gears
- Folds in 20 seconds |
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| Additional Details |
Folded Size: 25.3' H' x 23'' W x 10.6'' D
Hinge Clamps: Composite hinge clamp levers |
Rear Shock : Fox Float DPS Factory EVOL, 100mm, remote lockout, adjustable rebound
Rear Cogs : SRAM XG-1299, XX1 Eagle, Copper, 10-52, 12-speed
Wheel Sensor : Cannondale Wheel Sensor
Stash Kit (Fabric 8-in-1 Mini Tool and Dynaplug tubeless puncture repair tool), Tubeless valve stems |
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