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Frog pedal wrench question(10 posts)

Frog pedal wrench questionwolfereeno
Oct 28, 2003 8:22 AM
Anyone know what size wrench I need for Speedplay Frog pedals? They're a bit larger than the pedal wrench that fits my shimano's.
The standard pedal wrench from Park Tools fitspedalAZ
Oct 28, 2003 12:53 PM
the Park Tools wrench has two openings, and one of them fits the Frogs.
crescent wrenchPaulNYC
Oct 28, 2003 7:26 PM
I didn't have the right one so I used a crescent wrench.
As per my own experience and....BrianU
Oct 28, 2003 7:57 PM
I even double checked the instructions that comes with the pedals, it is 15mm. Any good open-end 15mm wrench will work, you just will not have the leverage that you get with the longer pedal specific wrench.

As per my own experience and....wolfereeno
Oct 29, 2003 2:19 PM
Thanks. I just bought a second set of the frogs for my other bike (this time the Ti axle ones). My 15mm wrench fits them fine.

Turns out my older frogs are just a tiny bit bigger. Might be due to the chrome plating or poor quality control that day. I'll have to file a wrench out a bit just for them.
Oct 30, 2003 8:34 PM
I have a set on my mtb and roadbike. The set on my roadbike is 6 years old and a 15mm wrench is actually pretty loose. In fact until I looked at the instruction sheet, I thought at first that maybe I needed a standard size wrench vise metric.
So how does the titanium axle Frogs feel? Any noticable flex?

Hmmm..... Very InterestingB2
Oct 31, 2003 3:16 PM
I have a new pair of Frogs that I can force a 15mm wrench partially on.... well enough to get the pedal on or off anyways, butI'm starting to deform both the wrench and the pedal spindle.

Problem is that I have three bikes (commuter, mtn & ss) that use these pedals, but only two pair of pedals between the three bikes. Looking for one more pair, cheap - anybody?

Similar situation.....BrianU
Nov 1, 2003 12:54 PM
I was switching one pair between two bikes and starting looking for a used second set about a year ago. From my experience, do not waste your time with ebay. Frogs are right up there with Thomson and Chris King. Anything worth buying and some knucklehead drives the bidding up to about the same price, sometimes more, than what I can find them for on line brand new. Go to and ask Larry about his prices on Thomson stems and seatposts that includes shipping, then compare to ebay. Amazing. Anyway, the classifieds over at is probably your best bet. Also, try to find them with the newer type cleat. They do not have all that rattling that is so noticable with the older style cleat when riding on the road. Good Luck.

No diff in feel between the two Frogswolfereeno
Nov 11, 2003 12:57 PM
I'm about 155 lbs. I can't detect any flex or anything. Was it worth $50 to save 50 grams on the Ti version? I doubt it.

But I've learned that if I don't go high zoot on certain things, it will always be bothering me in the back of my mind :-)
It's Speedplay's manufacturing booboo.lsnfa
Oct 31, 2003 3:26 PM
I had the same problem. I've found out from many of these forums that many of Frog wrench flats are machined to wrong size. If you call Speedplay, as I have, they will dastardly try not to admit that they are aware of the problem with many of them. I returned mine. It just seems ridiculous to file my pedal wrench to fit the wrench flats that were manufactured to wrong size.