Road Cyclocross Gravel E-Bike Bicycle Bike Rear Derailleur Oversized Pulley Wheel System Cage OSPW Cycling for Sram Red/Force/Rival Mechanical 10/11 Speed use

Nice pulley system. I can’t hear my chain anymore. The only issue was the install. Said it wouldn’t work on the Sram Apex system… but actually, it does work. Sram made the receiving housing about .0001” longer than Rival or Reds housing making it so you can’t install the locking pin. To remedy this, I took an orbital sander and sanded the housing about the thickness of a human hair (yeah, leave it to Sram to change the dimensions a thousands of an inch to prevent people from attaching add on’s like this… seriously Sram??). Needless to say, the install was quite the chore. But had nothing to do with this product. After I modified the Sram Apex housing it fit great. No issues. Runs extremely smooth and quite.

Used this to replace a busted cage on an old 1st gen Red 10 speed rear derailleur. Easy enough to swap and I appreciated all the positions available for the tensioner spring so I could really dial in the chain tensioning. Plus it's a nice piece of CNC blingPro tip if you're having trouble installing this: find an old shift or brake cable and use it to hold the derailleur open, or leave your derailleur connected to your shifter and shift to the largest cog with the chain and wheel off your bike. It'll free up a hand to drop the screw back into the derailleur

Why would you need narrow-wide jockey wheels? Just regular jockey wheels, the thing's not going to skip off of them. Several times I've had to stop and adjust the chain because it was riding on the wrong teeth. So annoying.

Initially I was super excited to get an oversized pulley set up for my rear derailleur at an affordable price but at $100 I would’ve hoped it would’ve lasted more than one ride. This was professionally installed by my local bike shop and everything else on my bike was in perfect working order. About 36 miles into a planned 40 mile ride The chain suddenly seized and my derailleur hanger snapped throwing the derailleur cage into my spokes and cracked the chain stay on my carbon CX bike.If you’re looking for oversized pulleys I would stick with some of the industries more expensive options.

Not the easiest to install on a SRAM Rival derailleur (SRAM makes it difficult). Once installed, I found these to be efficient and fast. Worth the price.

Looks good! I did not install it yet.

Nothing

The pivot bin is a fraction of a millimeter to short for the locking pin to insert. See rubbing damage from locking pin in the photo. I could not push the pin in place.

Often time I had enough power to maintain my large ring at the front but if the rear derailleur is spinning too fast I end up losing a lot of energy trying to pedalling so this solve the problem by spinning slower and gave me more solid performance.