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  • Park Tool BT-2 Fourth Hand Cable Stretcher with Locking Ratchet
  • Park Tool BT-2 Fourth Hand Cable Stretcher with Locking Ratchet Tool Detail
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Park ToolBT-2 Fourth Hand Cable Stretcher with Locking Ratchet

Temporarily Out Of Stock

Item # PAR0223

Don't get too bummed. This item is on the way and will be available for purchase as soon as it rolls into the warehouse.

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The BT-2 4th-Hand Brake Tool is a ratcheting wrench that allows you to pull cable and hold it in place as you make brake and derailleur cable tension adjustments.

Tech Specs
Tech Specs
steel, rubber
Recommended Use
stretching cables

Reviews & Community


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Hey, can you give me a hand.

  • Familiarity: I've put it through the wringer

Because of the changing of the industry this is probably becoming a less and less needed tool but is awesome for tuning up older bikes. It is nice for certain dropper cable install situations, or helping cable housing ends seat before you set them up. This doesn't crimp the cable too bad but it would be nice if they put a little groove so it cupped the cable and didn't crimp it at all, just held it tight. Don't think park tool care's about my opinion about it but thought I'd mention it anyway.

Hey, can you give me a hand.

Very convenient, but not critical

    I’ll echo what others have said about this tool: it’s not an absolute necessity, but it can be really useful.

    For me it really shines when setting really old front derailleur cables that don’t have barrel adjusters. The tool allows finer control during initial tensioning than using a pair of pliers. Old pro wrenches will scoff and say it can be done without this tool. And they’re right. But any tool that makes a job easier means the job goes faster which means you’re out on the road/trail faster, too.

    If you’re just getting into cabling your bike yourself, invest in a good set of cutters first. This tool can come later.

    Avg. ride time: 26m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.


    • Familiarity: I've used it several times

    Stretches the cable and locks into position so you can use both hands to make any other adjustments necessary and tightening up the pinch bolts.

    An absolute necessity? No ... but a really nice tool to have on hand.