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Front shifting will never be the same thanks to a great new invention by Sam Patterson – the inventor of Grip Shift™. The Patterson Transmission delivers rocket fast front shifting every time. This invention will change the way you ride your bike. Now you can use your front shifter any time to get the gear you want right now. Secure and precise. Unaffected by pedal speed or load. Once you try it, you will never go back to multiple chain rings again.
Dear SamI would like you to know that your invention is awesome!It was easy to fit with good clear instructions. It worked perfectly first go.It will now enable me to pull away on my trike on any incline by dropping the ‘front cog’ w… Read more
Subject: Video of Experimental Human Powered Moonbuggy using Patterson Transmission CranksetThe Experimental Vehicles Program at Middle Tennessee State University utilized your transmission cranksets in our NASA Human Exploration Rover… Read more
I recently purchased some Metropolis cranks for my 2011 Kona Unit.I have installed the cranks and I am really happy with their performance! Currently, I am looking at cleaning up the cable routing as I have had to McGyver a way to make the … Read more
Plenty of time on my Metro/N360 bike. I’d have to consult my records but I am approaching 3,500 miles on it and there has been no issues except adjusting the cable tension. I do mostly utility or social riding on this bikes through easy to modera… Read more
Since I originally emailed, I purchased an FSA Patterson Drive and installed it on my Surly Big Dummy with an old XTR 9 speed rear derailleur (11-34) and absolutely love it. It’s great being able to drop into the low gear while stopped at stop … Read more
Dear Mr Patterson,My husband wants to thank you for you help in removing and installing your Metropolis Patterson Crank drive. Here is his message to you and a picture of his bike: So, Mr.Patterson, thanks for helping my wife install your … Read more
Here is an initial pic on my Santa Cruz Blur, XC. Just back from 7 days riding in Mammoth…still love the transmission, although I must admit that most of the riding was slow, steep, technical riding, where I mostly used the low (1:1) range on… Read more
Hello, I recently installed your Patterson on my recumbent trike and it is AWESOME. I will say though that the ability to get a different gear ratio would be very nice, I saw on an online forum that you were thinking of offering up different… Read more
Hello Sam I hope your enjoying your weekend.Attached is a pic of my touring/commuter. It’s a Surly Crosscheck, with your Metropolis crank, 3speed Shimano Nexus, and Shimano generator hub supplying power to the E3 front light, rear light and … Read more
I’m am vary happy with this product and with your prompt response I will gladly continue sharing how cool this product is. I put the control plate on last time by myself I have a friend that works at a local bike shop and we used their BB-cup tools… Read more
I just picked my bike up from the shop where I had it installed and that is one sweet piece of engineering. It’s way better than any of the prototypes, and not only performs well, it looks great too. Plus, my pants wont get caught on the chain… Read more
“Sam, I do a lot of road biking in the summer probably travel about 2500 miles in 4 months if not more .. I have an 8 speed sturmy archer internal hub on my terratrike rover.. before I got your patterson crankset I maxed out my requmbent.… Read more
Greetings, I recently installed a Patterson Transmission on my TerraTrike Path 8, and was very satisfied with the results. I posted my experience on some popular recumbent forums. If you get an escalated volume of questions from ‘bent and trike … Read more
Thanks again, …for hooking me up with the Patterson drive. Worked great on the way home. Smooth and pleasant shifting, I’m happy! Have a nice week off! You’ve done a great thing.
One really cool thing, …is that the removal of the front derailleur (along with the removal of the big ugly chainrings) gives a bike a much sleeker look.
Dear Mr Patterson,Ted did an excellent job! His buddies Mike in New Orleans and Michael in Mt. Vernon (luxury car mechanic) helped and it’s all good.I’ve been riding it everyday and playing around with the gears. Yay!!I took a bike ride… Read more
Hi: I have recently purchased a Patterson drive and would like to provide a little feedback. I have many bikes and have purchased many specialised components for bicycles over the years. This is without doubt the most impressive, value for money… Read more
Hi Sam,I wrote you some time ago with various questions about the PM, which I use in combination with a NuVinci N360. This email is an update.In June I flew my little folder from Kuala Lumpur, where I live, to Bangkok where I started … Read more
“I am pleased as punch with my Patterson drive. A common problem when I bike in the winter is my derailleurs gumming up and failing. The Patterson has a sealed mechanism that protects it. Another reason I bought the Patterson drive is to give my… Read more
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