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Be careful of your Hollowtech tool

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Be careful of your Hollowtech tool

Old 06-25-20, 10:15 PM
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MarcusT
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Be careful of your Hollowtech tool

When I installed my first Hollowtech BB, I needed to buy the tool. Mind you, I despise buying such specialized tools, but it seems most new tech requires them now. I shopped around trying to find a bargain and ended up buying:

This worked fine, until I bought a bike with center lock disc brakes. They use the same locking mechanism and thought no problem when it's time to change rotors.
Well the day came, ordered the rotors and when they arrived, guess what. The tool did not work because the wheel axle protruded to far out for the tool to reach the notches.
So needed to buy:

Have I told you how much I despise new tech?
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Old 06-26-20, 01:21 AM
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jlmonte
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My all time favorite specialty tool is my Maillard Helicomatic lockring tool. I got it for free from a LBS. For the unfamiliar, it also has a spoke wrench, and a bottle opener I have never used.
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Old 06-26-20, 01:47 AM
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The Hollowtech compression bolt is supposed to be only 2 Nm tight so you could even 3d print the tool under 15 minutes.
If only the 5mm QR skewer is sticking out, you could probably just drill a 6mm hole through the center of the plastic tool.
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Old 06-26-20, 05:43 AM
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shelbyfv
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This might have been a better choice initially. I love HT II, FWIW.

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Old 06-26-20, 07:54 AM
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When I got my first HTII crank and bottom bracket, I also bought the Shimano TL-FC16 which sells for $3 to $4 most places. It's a single purpose plastic "wrench" that is perfectly adequate since the required preload torque on the NDS crank arm bolt is only about 1 Nm and finger tight is plenty. In fact, it's made not to accept any type of wrench to prevent overtightening.

BTW, that TL-FC32 is also the installation/removal tool for HTII bottom bracket external bearing cups so it does double duty unlike your IceToolz.
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Old 06-26-20, 09:30 AM
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MarcusT
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Originally Posted by tomtomtom123
The Hollowtech compression bolt is supposed to be only 2 Nm tight so you could even 3d print the tool under 15 minutes.
If only the 5mm QR skewer is sticking out, you could probably just drill a 6mm hole through the center of the plastic tool.
It's not the skewer it's the thru axle, not the removable part but the part of the center hub.
The center lock for the rotor is 40N. Don't think plastic can handle that.
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Old 06-26-20, 09:41 AM
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Cyclist0108
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Originally Posted by tomtomtom123
The Hollowtech compression bolt is supposed to be only 2 Nm tight so you could even 3d print the tool under 15 minutes.
If only the 5mm QR skewer is sticking out, you could probably just drill a 6mm hole through the center of the plastic tool.
It's not the $2 plastic thing. It is the bottom-bracket tool, which is also used to tighten the lock-ring for the disc brake rotor.
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