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Shop | Components | Drivetrain | Shifting | SRAM Thumbies

Product Videos

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Related products

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SRAM Thumbies

Miss thumb shifters? Converting a drop bar bike to flat bars? These easily transform bar-end (aka “barcon” or “TT”) SRAM shifters into thumb-shifters. The shifters are not included, but are readily available in 10 and 11-speed versions. These mounts are not compatible with “R2C” (Return To Center) SRAM shifters. Precision machined with pride in Chico, California.

$60.00 – $192.00

Clear

Technical Information

  • Material
    6061 Aluminum
  • Weight
    80g (Including all mounting hardware)
  • Finish
    Anodized or Polished
  • Anodized Color
    Black, Purple, or Silver
  • Clamp Size
    22.2mm ↓

    22.2mm is equivalent to 7/8 inches, and is the diameter of most mountain bike handlebars. Many flat bars, risers and city bars have this diameter. It is measured at the end of the bar where grips and brake levers attach. 31.8mm is most commonly used on modern road handlebars near where the stem clamps.

  • Compatible Shifters
    SRAM 10/11 ↓

    Compatible with standard 10/11-speed SRAM shifters, but not "R2C" (Return To Center)

  • Additional Information
    Download

Product Story

Thumbies bring back the thumb shifting of old, and we think they make shifting more precise and smoother. These feel much better in our opinion than trigger or twist shifters.

Thumbies have a hinged clamp for easy installation that fit all flat bars, MTB risers and city bars with a diameter of 22.2mm (equivalent to 7/8 inches). Diameter is measured at the end of the bar where grips and brake levers attach.
The clamp is raised up to give clearance for hydraulic brake levers and has a shifter mounting boss that fits SRAM 10/11-Speed Bar-End shifters. All necessary mounting hardware is included.

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Our monthly email is an ongoing bike conversation for creative people who spend a lot of time in their garage.
📣The 2023 @lostandfoundbikeride registration is 📣The 2023 @lostandfoundbikeride registration is OPEN!📣
 🚵This is EPIC riding in some of the most beautiful areas of the #LostSierra. 🏕️Camping, live music, swimming, and partying with your friends, this is one of our favorite events of the year. 
⛏️Every penny raised by registration goes right back into building local trails and supporting the local mountain communities via @sierratrails .
🥓We’ll be there with our 🔥 Aid Station as usual. Paul himself will feed you pickles and bacon out on course. No, really!
📝LETS GOOOOOOO! 🎉
 📷: @johnprolly
We’ve been offering a front Flat Mount Adapter f We’ve been offering a front Flat Mount Adapter for a few years, so we figured it was about time to make a matching rear. 
  This adapter is +20mm, so good for putting a 160mm rotor on a 140 frame, and also helpful if you need a little more cable housing clearance at the chainstay. We aren’t usually weight-weenies, but after machining a pocket into these they end up at only 9 grams. 
  As usual, these are CNC’d by us to ultra-high tolerance right here in Chico, California. 
  Have a great weekend!
Canti Lever blades fresh out of the tumbler and re Canti Lever blades fresh out of the tumbler and ready for anodizing. As with all of our bearing press-fit features, we hold +/-0.0002” tolerance on these parts. That’s about 5 microns, and for comparison, the average human hair is about 70 microns thick. So yeah, these tolerances are TIGHT is what we’re saying!
Is this weird? Be honest. Is this weird? Be honest.
🚨NEW PAUL HOODIE ALERT🚨 We recently disco 🚨NEW PAUL HOODIE ALERT🚨 
  We recently discovered these absurdly cozy hoodies that are made here in the USA by Royal Apparel and tried a couple samples out and WOW. This is the closest thing to being gently hugged by the world’s softest teddy bear all day. 🧸 
  We just had a batch screenprinted with a giant red MotoLite brake and threw them on the website…LET’S CUDDLE! 
 (Oh yeah, Lucas is a BIRD NERD and no, we don’t know how that chair got broken.)
Going through a folder of photos by @johnprolly fr Going through a folder of photos by @johnprolly from 2018 and we are having some FEELINGS of EXCITEMENT that @downievilleclassic is BACK!🎉 This event is SO much more than a bike race, it’s a big family party with all your bike friends in some of the most beautiful rugged mountains in the #LostSierra. We’ll be bringing back our on-course aid station and breakfast tent downtown to support, and y’all wouldn’t believe how many pounds of bacon and coffee we go through on a weekend like this, it’s wild. Anyways, registration opened Sunday night and rumor has it the fields are filling up pretty quick, so don’t wait to pull the trigger on this, it is hands down the BEST mountain bike party in the USA!
Paul Component Engineering
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  • 11204 Midway
  • Chico, CA 95928
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