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Superlight compact 4-speed gear system fine-tuned for city riding. Covers all contours.Fitted with the extended 60mm seatpost
Superlight compact 4-speed gear system fine-tuned for city riding. Covers all contours.Fitted with the extended 60mm seatpost
Brompton

Brompton P-line Urban Mid Bar 4 Speed Lightweight Folding bike Midnight Black

£2,270.00
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Brompton P-line Urban Mid Bar M4L Lightweight Folding bike Storm Grey
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Brompton P-line Urban Mid Bar 4 Speed Lightweight Folding bike Midnight Black

Season:2023

Brand:Brompton

Code:M4LPMIDBLK

Next level frame
The P Line titanium rear frame and forks are 700 grammes lighter than the all-steel equivalent and are just as strong. The redesigned suspension block maximises efficiency and responsiveness by shifting your pedal power to improve control and handling performance. Naturally, shock-absorbing titanium smooths out the road. You can feel the difference.

Enhanced portability
Moving with this bike is easy. Our new dual-locking seat post system has two positions, fully down for storing or halfway up for rolling. The folded bike gently steers through tight busy spaces with the Superlight Saddle nose handle. Larger, lighter rolling wheels glide over uneven ground.

Superlight, compact gear system built for the city
Designed in-house, the new superlight compact gearing system* is fine-tuned for city riding. The 4-speed system with an all-new 60-gram derailleur is meticulously engineered to fit inside the narrow fold. Delivering a similar ratio to the 3-speed and 60% more than the 2.

All-new wheelset
Our lightest, sturdiest wheelset. With a new rear hub designed ground-up to accommodate the new compact 4-speed gear set. Tested on a purpose-made rig and fired with mud, water and sand for hundreds of hours. This wheelset stands up to the abuse of the city. Now fitted with hex key axles and a new hanger mount, so removing them for roadside repairs or maintenance is quick and easy.
Technical Information
Brompton 4 speed drivetrain, 163% range
Precision drawn heat-treated steel tubing with hand brazing
Superlight Advance rear frame made from Titanium with a replaceable hanger
Titanium fork with a threaded headset
9.99kg
645mm (H) x 585mm (W) x 270mm (D) (25.3'' x 23'' x 10.6'')
Superlight saddle with chromoly rails, carbon reinforced base and lightweight padding.
Brompton Extended Chromoly steel tube - gloss black.
Superlight lock-on grips with precision ground foam adhered to ultrathin engineered core
Machined aluminium seat clamp and rear frame clip in anodised matt black finish
Brompton Folding left hand and non-folding right-hand pedals
Machined aluminium hinge clamp levers and plates anodised matt black finish
Superlight front wheel - Double wall rim, double-butted spokes and aluminium hub body
Double wall rim, double-butted spokes and aluminium hub body
Schwalbe ONE Black Tyre
Schrader
6061 forged aluminium crank with 50T chainring and integrated chainguard
Square taper bottom bracket
Patent-pending direct mount 4 speed derailleur
11-13-15-18 Tooth
Brompton 4 speed trigger shifter
Hollow pin Superlight Advance Chain
Advance chain tensioner with replaceable hanger mounting
Dual Pivot Calipers
Superlight headset
Front carrier block adaptor for all types of Brompton luggage
New curved profile with updated mudguard flaps
Sizing Information
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