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Wera torque wrench for a bicycle

Updated: October 2026

You are at the stem with a 5 Nm mark on the faceplate, a rotor bolt that says 4 Nm, and a crank bolt nearer 40. A Wera torque wrench for a bicycle on this shelf is an A-series tool, 2.5–25 Nm, and only while the etched figure sits inside that window. Carbon can fail without warning if you ignore that mark, which is the point Condor Cycles makes. Prices sit in the [Wera torque wrench comparison](/hub/hand-tools/wera-torque-wrench). The Products Compared editorial team used the amazon.co.uk listings, Wera’s bicycle-set page and Park Tool’s table as examples, not as your bolt. If you buy through our links, we may earn a commission at no extra cost to you.

You are at the stem with a 5 Nm mark on the faceplate, a rotor bolt that says 4 Nm, and a crank bolt nearer 40.

Our top picks

Wera Wera Click-Torque A 5

Best overall

Wera Wera Click-Torque A 5
9.2/10about £144.99
View offer
Wera Wera Click-Torque A 6

Preis-Tipp

Wera Wera Click-Torque A 6
9.2/10about £133.20
View offer
Wera Wera Bicycle Set Torque 1

Alternative

Wera Wera Bicycle Set Torque 1
9.0/10about £193.54
View offer
On this page
  1. 1.Read the number on the part
  2. 2.A 5, A 6, or a set
  3. 3.Jobs this shelf’s small wrenches cannot finish
  4. 4.What owners of these listings reported

Read the number on the part

The number that matters is the one etched on the stem, the clamp or the rotor bolt, or printed in that maker’s note. Park Tool’s table, a set of examples rather than your bike, often shows stem bolts around 5–9 Nm, some rotor bolts around 2–4 Nm or 6.2 Nm, and many crank bolts from 34 Nm to 50 Nm. The etched figure overrides the table. If that figure is inside 2.5–25 Nm, an A-series wrench can hold it. Setting the green line is the how-to. If the figure is above 25 Nm, both sets are the wrong tool. The ceiling does not move because the box says bicycle. A UK review of the A 6 set puts a bottom bracket at 45 Nm outside the set. If a carbon faceplate has no number, do not invent 5 Nm. Condor’s warning is that carbon can fail without a creak. A soft click is a reason to stop.

A 5, A 6, or a set

The A 5, B07B7VSM88, at about £144.99, is 1/4 inch square, 2.5–25 Nm, ±4% and clockwise, rated 4.6 from 1,692 reviews. Choose it when your sockets are 1/4 inch square. The A 6, B07B7XXQHL, at about £133.20, is the same window and ±4% on a 1/4 inch hex drive. Only two UK reviews are in the extract, both bicycle use. Choose it when you already own hex bits. The Bicycle Set Torque 1, B07P6XBS25, at about £193.54, is 16 pieces around an A 5. Buy it when you do not own the bits. The A 6 set, at about £198.50, is the hex equivalent, still 2.5–25 Nm. Neither set raises the range. If the bits are already in the toolbox, buy the wrench alone. Drive and direction on the wider shelf are in the buying guide.
Wera Wera Click-Torque A 5

Testsieger

Wera Wera Click-Torque A 5
9.2/10about £144.99
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Jobs this shelf’s small wrenches cannot finish

A pedal marked 35 Nm, a crank bolt marked 40 Nm, or a lockring above 25 Nm needs a larger window. An adaptor from hex to square does not create it. The A 5, the A 6 and both sets still stop at 25 Nm. The B 1, for example, is 10–50 Nm on a 3/8 inch drive. Wheel nuts are a different drive, on the wheel-nut page. Reversible on the A 5 and A 6 means the ratchet flips so you can undo a bolt. It does not say the wrench measures anti-clockwise. The only both-direction wrench in the comparison is the C 2 Push, and it starts at 20 Nm. It does not replace an A 5 for a 5 Nm stem. Amazon weight cells of 11 g are not the tool. Wera’s A 5 datasheet is about 551 g.

What owners of these listings reported

UK reviews are signals, not a new method. On the A 5, buyers praise a click you can hear, and the same extract includes two reports of a snapped head, one under 10 Nm, plus an adjuster that seized when wound back. Those are reasons to return the wrench, not reasons to pull harder. On the bicycle set, one UK buyer returned it because the click was easy to miss on carbon, and one UK mechanic said it arrived preset at 12 Nm. The listing’s lifetime line is a guarantee against a manufacturing fault, not a lifetime calibration. The A 6’s two UK texts are short and positive. German reviews in that file are not the UK sample. If the click is soft at 5 Nm, stop. The best Wera torque wrench page still will not send a 40 Nm crank bolt to these tools.

Common questions

Is 2.5–25 Nm enough for a stem and a rotor bolt?
Often yes, if the etched figure is inside that window. If the mark is 4 Nm or 6 Nm, an A-series wrench can set it. If the mark is 30 Nm, it cannot. The etched number wins over any general table.
Bicycle set, A 6 set, or the wrench alone?
Buy the bicycle set, B07P6XBS25, at about £193.54, if you want the A 5 plus the bits. Buy the A 6 set, B07GZK73TQ, at about £198.50, if you want hex bits in a box. Buy the wrench alone if those bits are already yours. The sets do not pass 25 Nm.
What if the crank bolt says 40 Nm or the pedal says 35 Nm?
The A-series wrenches and both sets stop at 25 Nm, so they are the wrong tool. Park Tool’s higher figures are examples, and a UK A 6-set review puts a 45 Nm bottom bracket outside the set. Step up to a wrench whose printed window contains the mark. An adaptor will not do that.
Will reversible let me torque a left-hand pedal?
Not on the A 5 or the A 6. Reversible means the ratchet undoes a fastener. The C 2 Push is the only both-direction listing here, and it starts at 20 Nm, so it is the wrong range for a 5 Nm clamp.
Is the lifetime line a lifetime calibration?
No. The amazon.co.uk listing offers a lifetime guarantee against a manufacturing fault. That is not a promise of calibration for life. Wera’s interval is 5,000 load cycles or about a year from first use, then yearly.

Related pages

Wera torque wrench

Best Wera torque wrench for wheels, bikes and left-hand

Wera torque wrench buying guide: Nm, drive, direction

Wera torque wrench for wheel nuts: handbook Nm first

How to use a Wera Click-Torque wrench: set and stop

Sources

Manufacturer pages, ISO 6789-1 and UK public sources listed below, plus the amazon.co.uk listings in this comparison. Page updated October 2026.

  1. Wera Click-Torque manual (retrieved 16 October 2026)
  2. Wera UK Click-Torque B 2 (retrieved 16 October 2026)
  3. Wera Click-Torque A 5 (retrieved 16 October 2026)
  4. ISO 6789-1:2017 (retrieved 16 October 2026)
  5. AWS Torque: how often to calibrate (retrieved 16 October 2026)
  6. Measuring Instruments Regulations 2016, regulation 3 (retrieved 16 October 2026)
  7. Consumer Rights Act 2015, section 9 (retrieved 16 October 2026)
  8. Condor Cycles: tightening bolts to torque settings (retrieved 16 October 2026)