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hex bits for Park torque wrench

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hex bits for Park torque wrench

Old 03-16-09, 08:41 AM
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Bob Ross
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hex bits for Park torque wrench

The missus started doing some experiments with saddle height which require her to raise or lower her saddle daily & record her impressions of the ride. Since she has a carbon frame & carbon seatpost, we figured this was a good time to own a torque wrench, so I bought a Park TW-1

...which of course doesn't come with any bits. Drivers. Heads. Whatever they're called.

The Park SBS-1 looks like complete overkill for our needs; I don't think either of our bikes have any bolts that would make use of the socket bits, so half that kit would be wasted. We just need a small assortment of common hex bits.

Given that the TW-1 wrench has a square drive that accepts 1/4" & 3/8" bits, are compatible metric hex bits something I can find in my local hardware store, or will I have to go to the LBS to find bike-specific tools?

Thanks.
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Old 03-16-09, 08:54 AM
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Local hardware store or Sears.
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Old 03-16-09, 08:55 AM
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Any decent hardware store, home center. Harbor Freight or Sears will have 1/4" or 3/8" drive metric hex bits in sets or individually. You need 4, 5, 6 and 8 mm bits for most bike use. The 8 mm is for installing crank bolts as it will let you use a ratchet to get the needed high torque.
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Old 03-16-09, 09:02 AM
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the hardware store will fill your needs as far getting the bits ,you'll need 4mm to 10 mm. as far the park SBS-1 the socket bits are use for things like using freewheels/freehubs pullers with the park TW-1 & 2.
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Old 03-16-09, 09:05 AM
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Agree that they should be available and that 4,5,6, and 8 should suffice for most things. One option, other than hardware store, is attached -- more than you need but likely cheaper than what you'd pay for 2 individual hex bits at Sears. http://www.pricepoint.com/detail/177...ue-Bit-Set.htm
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Old 03-16-09, 09:30 AM
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Auto parts store. Autozone has a set for less than $10.
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Old 03-16-09, 11:34 AM
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I bought a set of Craftsman metric bit set for $19.99 ( $10 off ) from Sears and only to found out all the hex keys on the bike are 5 mm with the exception of the saddle mount bolt which is 6 mm, i dont really think it's significant to torque a 5 mm bolt ,unless the bolt for the crankset and so.

BTW,i have a brand new Craftsman Microtork Torque wrench on Ebay,no reserve,here is the link

http://cgi.ebay.com/ws/eBayISAPI.dll...%3AIT&viewitem=
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Old 03-16-09, 11:48 AM
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Go to Sears, Autozone or even Harbor Freight...metric hex bits for square drive are pretty easy to find.
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Old 03-16-09, 05:14 PM
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Not 1/4" drive bits. They're out there but as rare as hens' teeth.

Which is no problem. 3/8" drive will do the job just fine.
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Old 03-16-09, 05:30 PM
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Originally Posted by DMF View Post
Not 1/4" drive bits. They're out there but as rare as hens' teeth.

Which is no problem. 3/8" drive will do the job just fine.
Yeah, 1/4" drive hex bits are hard to find these days. I have 4,5 and 6 mm 1/4" bits I got from Loose Screws years ago but they don't list them anymore and neither does Bike Tools Etc.

3/8" drive bits with a 3/8 to 1/4 adapter will work well with low range torque wrenches.

An alternative is to make your own by getting some inexpensive 1/4" drive metric sockets, cutting stubs off of regular L-wrenches using a Dremel tool with a cut off wheel and epoxying the stubs into the sockets.
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Old 03-16-09, 05:37 PM
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Not cheap but mine get lots of use (1/4" drive metric hex bits): http://www.thetoolwarehouse.net/shop/SK-19732.html

Here's a cheap (compared to the SK version) kit that should cover just about any job (small sizes are 1/4" drive): http://www.thetoolwarehouse.net/shop/VIM-HMS26.html
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Old 03-17-09, 08:34 AM
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You could also get a set of common 3/8 drive bits, and a 1/4 <-> 3/8 converter bit

I found both at Lowes
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Old 03-17-09, 12:13 PM
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Thanks for all the info, folks, big help. fwiw, my local hardware stores didn't have any (they had 1/4" sockets but not hex bits, and this was before I'd read HillRider's suggestion to McGyver your own with Dremeled hex wrenches). And the nearest Sears is not convenient at all. However

Originally Posted by DOS View Post
One option, other than hardware store, is attached -- more than you need but likely cheaper than what you'd pay for 2 individual hex bits at Sears. http://www.pricepoint.com/detail/177...ue-Bit-Set.htm
I found that same Pedros set at Excel Sports for $2 less than pricepoint.com, so that's what I snatched.

Thanks again.
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Old 03-17-09, 04:36 PM
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I have a Park TW-1 and I got some 1/4" bits. Don't get them as they are tiny, awkward to handle and probably not very durable. My 1/4" bit set includes bits smaller than 4mm but I don't know if I'd ever need to be careful with torque values on such tiny bolts. Most stem and seatpost bolts are 4mm.

Get some 3/8" bits from Sears, the 4mm-10mm bits. They are much more robust, easy to take off/put on. I have both them and the 1/4" bits and I keep going to the 3/8" bits.

The TW-1 comes with a 1/4 > 3/8" adaptor and if you get a TW-2 as well, the 3/8" bits will be perfect for both.
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Old 03-17-09, 05:58 PM
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http://search.ebay.com/search/search...&fsop=2&fsoo=2
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