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Paul Component Engineering Thumbie Shifter Mounts Review

Posted by on October 15, 2014

paulthumbie-7

Top-mount thumbshifters are a classic design that the big players have left behind in the race to make a “better” shifter. Other designs are undeniably more ergonomic and capable of faster shifts, all without changing your grip on the bars. But some of us are hooked on thumbshifters, if for nothing else than their proven durability through simplicity. No matter the conditions, no matter the muck and cold, thick gloves and rust, thumbshifters continue to shift. In fact, I still have two pairs of 20+ year old Suntour thumbshifters in service on bikes, along with this set of Paul Thumbies that I’ve been running for over 5 years.

Paul Thumbies are the answer to those of us that want indexing beyond 8-speeds or SRAM or Campagnolo compatibility but want to run top-mounts too. These mounts transform bar end and time-trial shifters into old school thumbshifters. My poison? 9-speed Shimano bar end shifters mated to Paul Thumbies, run in friction mode on my 10-speed dirt road touring rig. Adjustable front derailleur trim and you can shift the entire cassette in one movement with the right touch. I’d go so far as to say, “It works every time!” but I’m to understand the phrase has already been taken. This is a shifter for the tinkerers and the explorers, best suited to people with a secret stash of parts and more ideas about bike setup than available rides to test it.

Paul Thumbies are available for $74 per pair in either silver or black, in either 22.2, 26.0 or 31.8 clamp sizes (mountain bars and road stem clamp sizes) and with Shimano, SRAM, Microshift or Campagnolo mounts. Current Thumbies have hinged clamps for easier installation and removal.

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