Brompton Bicycle Owner's Manual

BROMPTON BICYCLE - OWNER'S MANUAL - ENGLISH INTRODUCTION: Before using your Brompton, we recommend you read the sections on safety and

park or fold the bike, you have to release this clip. In latch mode, the clip is released by pushing lever L forwards Fig QR01a M The latching facilit

11 DLE POSITION. BASIC ADJUSTMENTS: Height of the saddle: for the maximum height, draw the seat pillar up until it reaches a positive stop. At the m

SECTION E: HANDLEBAR & CONTROL POSITIONS. he handlebars and control levers on the Brompton are factory set to een compactness and riding comfort.

SECTION F: RUNNING ADJUSTMENTS & CHECKS. It is important that certain of the jobs listed here are carried out at leasonce, if not two or three tim

IUfig DR16 OU 14 It’s important that you have the correct indicator rod. For SturmeyAcher 3 speed hubs, with alloy shell, post 2004, the correct

Adjustment of the derailleur cable should seldom be necessary, as the trigger moves the cable twice as far as the movement of the chain-pusher (an ov

SADDLE CLIP BOLT torque:- pentaclip 15-17NM NEVER allow lubricant onto seat pillar BRAKES HUB-GEAR ADJUSTMENT REAR SPOKE TENSION DERAILLEUR AD

Spokes: These tend to bed in during early use, and to lose some of their initial tension. which can cause spoke failure, particularly for heavier ri

Cup and cone bearings: set over-tight, damage is likely, and in the case of a geared rear ewheel will tighten up as well (in turn causing chain probl

To re-fit, follow the above in reverse. While you tighten the wheel nuts (or bolt), make sure that each tab washer engages the hole near the fork end

SECTION A: SAFETY. 1. Before riding, see that the seat pillar clamp is properly secured, and that the hinge clamps are in place, with levers firmly s

d 21 TACTNSL2SL1CTWANfig AR8 itting the rear wheel. erailleur is fitted, it has to be tilted to clear the changer). ays to release, or else need

fig DR14 CTIDLBb) for a derailleur bike, the chain and the fixed idler on the chain-tensioner-base, CTIDLB, have to lie between the "uprights

S 23 fig HK4 fig HK1 B CHS B fig HK3 C ECTION H: OTHER DESIGN POINTS TO DO WITH ant front ed. It is r, if ire ar out (the gap G (fig HK4) between ins

24 fig HB3 fig HB4 fig HB5 fig HB6 fig HB7 fig HB8 andlebar catch and nipple: e correctly set, for, if wrong, the r catch will loose its spr

Lower stop disc: When you pick up the folded bike, the rear frame cannot unfold because the fig LS1 lower stop disc, LSD, butts against the "fold

SECTION J: LUBRICATION. getting oil or grease on the seat ing parts (oil does not last as well), n assembly and apply grease, it's nvenient or i

NEVER allow lubricant onto seat pillar WHEEL BEARINGS (not on dyno-hubs) 3 GEAR INDICATOR (chain at entry into hub, & adjustor thread) 3 BR

28 SECTION K: ROUTINE REPLACEMENTS. Planned replacement is advised to ensure both safety and good performance. The suggested intervals between replac

SECTION L: SPECIFICATION OF SPARES. Chain: this must have the correct number of links for a given sprocombination, see table below. Max pin length is

SECTION M: OPTIONS AND ACCESSORIES. ur em provides a highly convenient method for taking luggage on the b a momen release it. The system is a delight

SECTION B: FOLDING AND UNFOLDING. If you have not had the Brompton demonstrated or explained to you, read this section before trying to unfold or fold

31 amps front and rear ith halogen front s on for a Any of the fitted to any bike m e tyre-dynamo set cannot be used with Special dy If you wish t

32 earing (easier up hills, but with a lower top speed), is igher gearing is also available, but only for 3- & 6-st Bromptons, n industrial al in

Part 3: UNFOLDING AND FOLDING EXPLAINED IN DETAIL. If you have not seen the Brompton being folded, you may get the impression on reading this section

UNFOLDING stage 2 - Front wheel, figures FS4 & 5: Do not attempt to unfold the front wheel assembly if either the saddle or the handlebar is still

fig FS6 C The bicycle is now parked, in effect ready for use: to unpark (fig FS6), lift the bike by the saddle (keeping the front wheel turned slightl

needed for this, but if it helps, take hold of the front mudguard with your other hand and guide the wheel round). Make sure that the hook, H, has pa

SECTION C: USING THE BROMPTON. 1. Tyre pressures: BROMPTON HP & Marathon: STELVIO Normal Max. Normal Max. FRONT 60 - 80 psi 100 psi 85 - 100

If your bike has a derailleur, do not neglect to use it: if you use only one sprocket all the time, wear will be uneven. 3. Lighting. To engage a tyr