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Shop | Components | Drivetrain | Shifting | SRAM Thumbies

Product Videos

Related Products

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.

Clear

Technical Information

  • Material
    6061 Aluminum
  • Weight
    80g (Including all mounting hardware)
  • Finish
    Anodized or Polished
  • Anodized Color
    Black 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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Go @simworksusa !! Link to this raffle in our bio Go @simworksusa !! Link to this raffle in our bio until July 3rd: “In light of recent events and in the wake of a groundswell of inspiring actions and initiatives taken by numerous businesses and individuals- Simworks is hosting a SOCIAL REFORM BENEFIT RAFFLE. We wish to join with so many others in the fight to do our part to make an impact for greater equality, social justice, and the dismantling of institutions and policies of systemic racism and oppression here in this country. We ask that you join with us in making a contribution to several organizations that are doing the hard work of providing resources and leadership in the fight to secure social, educational, political, and economic equality- with a goal of eliminating discrimination and ensuring the health and well-being of all persons.” More in our bio link...
Leave it to @not_teriyaki to make such a rad paint Leave it to @not_teriyaki to make such a rad paintjob with nothing but a couple cans of paint and a stick! #Repost @squidbikes ・・・ “ @not_teriyaki’s #DIYFS SO-EZ painted using a few cans of @spray.bike and a stick from the back lot. #noboringbikes #tracklocross . . . 📷 @terrible.angles #soez #fixedgear #fixie #tracklocrossiscoming #nobrakes #cantstopwontstop #smftx #steelisreal #squidbikes #spraydotbike #spraybike #paulcomponents “
We’re really missing these events right now too We’re really missing these events right now too Leo! When the Covid clears we are gonna PARTY! #Repost @slimone1000 ・・・ “Ready to get it! Is it time yet??!! @brooksengland @crustbikes @topodesigns @velocityusa @paulcomponent @ultradynamico @chriskingbuzz @teamdreamteam @ombraz @ultraromance @theradavist @jasonnorton #gravelgrinder #gravelbike #grinduro #teambrooks #rideyourbike #amputeelife #bikelife “
**This raffle is over, stay tuned for the next one **This raffle is over, stay tuned for the next one!** In solidarity with the Twin Cities and protests across the country, and because we believe that there is a lot of work that needs to be done for justice and healing, we’re supporting this raffle to benefit Black Women’s Health Imperative, Black Vision Collective, Women for Political Change, and more. Black Lives Matter. We need to start putting actions behind our words. To enter, donate to any of the links in our bio, and email a screenshot of your donation receipt to goodgoodraffle@gmail.com. Every $10 donated gets you one raffle entry. Only donations made June 4-11 are eligible, if you already donated somewhere, donate again! Winners will be announced on June 12th. Prizes: 1. Deep custom chromoly handlebars from @oddity_cycles Two available. 2. 12oz. bag of Boundary Waters blend coffee, roasted in Minneapolis by @northerncoffeeworks Five available. 3. One capacious and stylish Portero roll-top backpack in limited-edition silver from @ovejanegrabikepacking 4. One beautiful big blue hand-thrown mug from @stonewarewolf 5. One setback seatpost, 27.2 diameter, 310mm length, made with titanium for maximum comfort from @sklarbikes 6. Prize pack, which may include some or all of: cycling cap, waterbottle(s), coffee mug. From @goldensaddlecyclery Two available. 7. One set of Monē Riser Bars accompanied by a be-flowered five-panel from the man himself, Mr. @monebikes 8. One virtually indestructible titanium DangleBong waterpipe, from @dangle_supply 9. One handmade leather saddle bag/handlebar roll/tool pouch from @holymountain.usa and @bikejerks 10. Outside is bullshit T-shirt (in your size) and pubetastic sticker collection from @bicyclepubes Five available. 11. A signed copy of the amazing book, Bernie the Bike Builder from @tajlucas 12. Two sets of black Neo-Retro Brakes, a Gino light mount, and a bandana from @paulcomponent 13. One set of ultra comfy raw Persuader bars form @tumbleweedbikes 14. One mighty handy Encase Bar Kit One from @wolf_tooth_co 15. One completely custom and completely handmade headbadge from @jengreenheadbadges
**THIS RAFFLE NOW CLOSED-HUGE THANKS TO EVERYONE W **THIS RAFFLE NOW CLOSED-HUGE THANKS TO EVERYONE WHO DONATED! STAY TUNED FOR THE NEXT ONE!** Today’s raffle is a benefit for @mnwfpc , who have been offering a MASSIVE amount of support in Minneapolis throughout the protests with resources, food, supplies, and mutual aid to those in need. This is super easy: Head to the link in our bio and make a donation of any amount to their Frontlines or Mutual Aid fund. Screenshot your donation confirmation and email it to travis@paulcomp.com before this Friday at 4pm and we will enter you in a raffle for this pair of brakes, brake levers, bottle and bandanna, shipped directly to you. Thank you!
HEY PATRICK WHAT ARE YOU DOING WITH THAT WEIRD MIC HEY PATRICK WHAT ARE YOU DOING WITH THAT WEIRD MICROFISHE LOOKING MACHINE?! “That’s our PJ-300 Optical Comparator. It’s a Mitutoyo like most all of our metrology instruments. (Metrology is the science of measuring). It projects a 2D profile image of a small part onto a screen with a grid. Using the grid, one can verify dimensions and inspect the part. It’s good at checking outer-diameter threads, as you can measure the depth of the thread (from the crest to root, so top of the point to bottom of the valley). So, you can check that depth on a thread chart to see if it is in range for the appropriate class of thread. We can also check groove depths, ect. It’s good at roundie bits. I also use it to check threading inserts and bore bars, as the tip of some of our tools are very sharp (little to no radius) which is not visible to my naked eyes. So it’s faster to check it (the tool) on the comparator then load it in the machine and make a part to find out the part is bad because the tool is bad.” Cool, looks fun, thanks Patrick!
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