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Your cart is empty.Black CrMo with 1.37"x24tpi (right handed) threads. Features: 1.37" x 24 tpi, Black
Niemad
Reviewed in the United States on September 16, 2023
I was having issues with lockrings not having threading from end to end and that concerned me when using spacers to fine tune my chainline. The threading on these lock rings start immediately from the edge of the material. The lock ring notches are sharp and bite well when tightening with a tool. The coating appeared to be similiar to the blueing on a firearm barrel.
Pablo
Reviewed in the United States on November 3, 2023
You can't go wrong with Dura Ace locking for your Dura Ace Cog.
Michael E.
Reviewed in the United States on September 30, 2022
Really happy I got this ring. Fits my 12 tooth cog with no chain rub. Seems really well made and solid, easy to install and take off without worry of it deforming and/or stripping threads and getting stuck on the rear wheel. Definitely happy with the purchase.
Customer
Reviewed in the United States on July 6, 2022
Very high quality lock ring.
Connor Webb
Reviewed in the United States on June 29, 2022
It's a lock ring. It works. I'll have my partner update the review if it stops working and I die.
MrBoomBastic
Reviewed in the United States on April 1, 2022
Good buy it its a worthy investment especially if you ride fixed
C Shaff
Reviewed in the United States on December 18, 2021
keeps my dura ace cog firmly in place. nice to get dura ace quality when its affordable
Odin Reyes
Reviewed in Mexico on October 21, 2019
Justo lo que esperas de una pieza así.
Benjamin Schaffer
Reviewed in the United States on November 4, 2017
These are now the only lock rings I use. The machining is impeccable, and the steel tends to deform less at the grooves during installation and removal. That being said, these do (like all lock rings) require high installation torque, so make sure you use a lock ring tool with the right curvature and tooth shape. The Park Tool HCW-17 (using the 41-42 end) is ideal for this. The popular pedal wrench/chain whip/lock ring combination tools are okay but tend to have a very bad rake angle for the tooth, which puts all the pressure on the corner of the lock ring groove, and this can cause failure even with an excellent lock ring. Check the tooth by inserting it into the lock ring groove and seeing if it sits flush and square (it should actually contact at the bottom of the groove first by a slight amount, since the tooth will bend a bit under load). If not, either use a file to re-profile the tooth (this is how I make my road repair lock ring tools, since I don't want to carry the HCW-17 everywhere), or find a different tool.
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