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Reduced price! Spoke Spanner 4-Sided - SW-40 - from Park Tool USA View larger

Spoke Spanner 4-Sided - SW-40 - from Park Tool USA


Park Tool

This professional quality, precision-sized spoke wrench / spanner from Park Tool - SW-40 - is hardened and nickel plated for long service.

Spoke wrenches are used to tighten and loosen spoke nipples when truing wheels or adjusting spoke tension.

Note: old Park Tool logo on packaging!

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We have 1 left in stock




More info

Park Tool Spoke wrenches / keys are vinyl coated in different colours indicating the size at a glance.

Park Tool Spoke Wrenches are marked "Park Tool USA."

  • SW-0 (Black) 80 ga./.127" nipple/3.23mm 
  • SW-1 (Green) 80 ga./.130" nipple/3.30mm
  • SW-2 (Red) 80 ga./.136" nipple/3.45mm
  • SW-3 (Blue) 105 ga./.156" nipple/3.96mm
  • SW-40 (Black / Blue) 4 sided nipple - 3.23mm (this one)
  • SW-5 (Grey) DT Tricon nipple

Weight: 0.028kg (.05lb) 

Park Tool Reference: SW-40

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2 Question(s) answered - see below

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    Answered questions

  • Asked by Stephen Wills
    on 16/09/2019
    Hi, is this suitable for replacing spoke for Brompton wheel? My model is 2012 Answer:
    Yes - this should work OK. Personally I prefer the SW-7 as it is more flexible (it can handle more nipple sizes)
  • Asked by a guest
    on 24/07/2022
    Which one should I buy for :2022 P-line and 2020 Superlight? Answer:
    You will need a

Data sheet