K-Line 23
Super simple. Super compact.
K Line is a Test product for Brompton folding bikes. Ready and waiting to test with. With a handmade steel frame and three hub gears tuned for city riding..
Weight
From 10.2 lbDrivetrain
Brompton 3 speed drivetrain, 177% rangeRear Wheel
Double wall rim, 28 spoke, Brompton Wide ratio 3 speed internal gear hubMain Frame
Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed jointsRear Frame
Hand brazed cold-formed micro-alloy steel tubingFork
Steel brazed forkFolded Size
645mm (H) x 565mm (W) x 270mm (D) (25.3'' x 23'' x 10.6'')Saddle
Brompton saddle, integrated carry handle, mounts for Brompton rear light and saddle bagSeatpost
Brompton Extended Chromoly steel, Chrome finish. Suitable for maximum inside leg 35"/89cmSeatclamp
Composite seat clamp and rear frame clipPedals
Brompton Folding left hand and non-folding right-hand pedalsFront Wheel
Double-wall rim, 28 spokes laced to a Brompton front hubTires
349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewallTubes
Schrader valveChainset
6061 forged aluminium crank with 50T chainring and integrated chainguardBottom Bracket
Square taper bottom bracketShifter
Brompton 2 and 3 speed Trigger shiftersBrakes
Brompton Dual Pivot CalipersHeadset
Brompton headsetFenders
Mudguards with rubberized flapLighting (reflectors)
Front and rear reflectors=Pump
Not included but available separatelyPrevious model name
Brompton H3L, M3L, S3LGrips
Lock-on grips with soft-compound rubber adhered to an engineered coreHinge Clamp
Composite hinge clamp leversFront Carrier
Front carrier block adaptor for all types of Brompton luggageReviews & Questions
K-Line 23
Shipping & Returns
BUY ONLINE, PICK UP IN-STORE
A wide range of our bikes can be bought online at brompton.com and shipped to one of our dealers of your choosing. Your bike will be expertly prepared at your local shop and be ready to ride straight away. As always, our nationwide network of accredited retailers are available for servicing and ongoing support for your Brompton.
SHIPPING
Get free ground shipping on all orders over $50, sent by our trusted courier partner in 3-5 working days. Easy set up. Follow the Quick Start Guide to add your saddle and do some basic checks, and you’ll be ready to cycle away in less than 10 minutes from opening the box.
RETURNS
Brompton is committed to quality; if our products have failed you in any way, please return them and we will either exchange them or give you your money back. If the product is faulty or has arrived damaged, we will reimburse the cost of return postage. Unwanted items may be returned within 28 days at your cost.
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