Brompton CHPT 3 V4 weights and measures

I can’t verify anything here. In the old days, I would have made a dedicated page for this. I simply don’t have the time. I’m pretty sure everything here is wrong but I’ll slowly work on it. I remember the days when WordPress was so intuitive and easy to work with. The new word press sucks…

Owners manual

This entire page is a disaster but its a start.

Scan for Torque settings

Seat pilar adjustment. Pleas don’t read this or blame me if you break your bike

The smarter way to adjust is to first clean and dry pillar. tighten one 1/8 to 1/4 quarter turn at a time till it stops slipping.

Main frame – 2000grams ?

Rear Triangle Ti – 461 grams ?

Fork 2018 Ti – 285 grams ?

Stem S – 876 grams ?

Stem bolt – 7 grams ?
Stem internal bolt + expander cone – 43 grams ?

Handlebar S – 133 grams ?
Handlebar catch – 27 grams ?

Brake lever – per lever 79 grams each, 158 grams pair ?
Brake lever/shifter Left – 133 grams ?

Grip –  ?


Headset – alloy – 120 grams ?

Front wheel – 535 grams? 
Rear hub BSR – 929 grams?                                                                  

Kojak folding tyre – 182/185 grams
Schwalbe One 35mm folding tyre – 
Schwalbe Marathon Racer – 
Schwalbe Marathon – 420 grams
Schwalbe Marathon Plus – 480 grams 

Inner tube – 97 grams ?

Chainset 50t – 641 grams?

Cranks arms only – 487 grams ?

Crank bolt (single) – 13 grams ?

Chain ring 50t – 120 grams ?
Chain Ring Bolts – 22 grams ?

 – Chain ring weights include plastic bash guard ?

Bashguard + screws 50t – 45 grams ?

Bottom bracket – 249 grams (FAG), 244 grams (Thun), 250 grams (old ISO) ?

Chain 96 link – 260 grams ?

Chain 98 link – 266 grams ?

Chain 100 link – 272 grams ?

Chain 102 link – 278 grams ?

 – Chain weights include a quick link as part of the link count

Front brake caliper – 188 grams ?
Rear brake caliper – 183 grams ?

Brake pad – pair – 2017 – 44 grams ?

Brake pad – pair – 2018 – 34 grams ?
Stop disc – 29 grams ?

Seat post – Standard – 412 grams ?

Seat post bung – 9 grams ?

Pentaclip – 109 grams ?
Seat clamp + clip – 72 grams ?

Saddle – 300 grams ?

Pedal – Left folding – 286 grams ?

Pedal – Right – 124 grams ?

Hinge clamp screw (Inc. washer) – 32 grams ?

Hinge clamp plate – 20 grams ?
Suspension block – Firm – 30 grams ?
Suspension block fittings – 26 grams ?

Front carrier block – 91 grams ?

Easy wheel – stock, single with fitting – 22 grams ?

Toolkit – 170 grams ?

Rear hinge spindle / bolts – 40.5 grams  ?
Pivot spindle 6.0 – 11 grams ?
Pivot spindle 6.1 – 12 grams ?

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