John and Harriet

@sheldonbrowncom

all about bicycles

sheldonbrown.com
Joined April 2014
5 Photos and videos Photos and videos

Tweets

@sheldonbrowncom is blocked

Are you sure you want to view these Tweets? Viewing Tweets won't unblock @sheldonbrowncom.

  1. Apr 29

    Major update of the 10-speed cassette page -- covers new models and an additional brand.

  2. Apr 29

    An air bag helmet's been in the news lately. Sheldon put up a poster for one years ago. A new, better copy is at

  3. Apr 15

    New article about the Shimano Alfine 11-speed hub. Thanks to Bruce Dance for most of the text, also Aaron Goss!

    1 retweet 1 like
  4. Apr 8

    Don't let your bike get stolen! Update and expansion of

    2 retweets
  5. Mar 31

    Helium weighs only 0.13 times as much as air! Imagine what it can do for your tires.

    1 retweet 2 likes
  6. Mar 22

    Major update to - Shimano and compatible 9-speed cassettes. Fixed broken links and updated availability information.

    1 retweet 1 like
  7. Mar 11

    New article about SRAM Automatix two-speed hub - maintenance, models, how to adjust speed for automatic shifting.

  8. Mar 5

    We have pages on older coaster brakes and internal-gear hubs. We just revised the antique Morrow coaster brake page

    2 retweets 2 likes
  9. Feb 25

    Bruce Ingle customizes a fatbike to make it truly practical for use on soft, muddy, sandy, snowy surfaces

  10. Feb 12

    Sheldon Brown's gear calculator now includes fatbikes, 29ers, 29+ and monster bikes, and is in German and French.

    2 likes
  11. Jan 9

    New article on riding with the RideWithGPS app.

    6 retweets 3 likes
  12. 21 Dec 2015

    Tools to care for tires and inner tubes (pumps, tire removal and replacement tools, flat-fixing supplies).

  13. 11 Dec 2015

    New article, all about inner tubes: tire fit, the three kinds of valves, pump compatibility, tips and tricks --

    1 retweet 1 like
  15. 1 Dec 2015

    : revised: more user comments, and descriptions of Sheldon's, John's, and Harriet's, saddles.

  16. 22 Nov 2015

    Broken rail on your Brooks leather saddle? lists repair sites around the world and has do-it-yourself repair tips.

  17. 11 Nov 2015

    Additions to Shimano 8-speed Hub page, . Bruce Dance contributed info on compatibility among different models.

  18. 1 Nov 2015

    Just in time for standard-time winter commutes -- an article about choosing a headlight for your bicycle!

    1 retweet
  19. 29 Oct 2015

    now has patterns to avoid hub shell twisting for 2 hub/rim combos + info to use Rinard's Spocalc for spoke lengths.

  20. 15 Oct 2015

    Groundbreaking article on fatigue-resistance testing of bicycle frames - new improved translation of original German

  21. 11 Oct 2015

    Another Rinard article updated: his links to info, sources of materials and software for amateur frame builders:

  22. 1 Oct 2015

    Damon Rinard built a carbon-fiber bicycle frame in his garage! Here's his updated tale,

    4:24 PM - 1 Oct 2015 · Details
  23. 23 Sep 2015

    Check spoke tension by ear -- use a tuning fork to tell when your spokes have appropriate level of tension

    2 likes
  24. 10 Sep 2015

    Damon Rinard's Spocalc updated with online spoke calculators, comments, links (including iOS and Android apps).

  25. 4 Sep 2015

    New page: SunTour Perfect, Pro-Compe & new Winner freewheels. Work with older frames with small overlocknut distance.

    1 retweet
  26. 29 Aug 2015

    Distance and speed measurement on bicycles and limitations of accuracy in measurement.

  27. 17 Aug 2015

    Cyclecomputer instructions now up to date, with links to user manuals for almost all makes & models, including GPS. .

    1 retweet
  28. 26 Jul 2015

    New crank lengths in and , for childrens' bikes, cranks down to 100 mm (less than 4 inches).

  29. 18 Jul 2015

    Added info on four hubs to . Shimano Alfine 11-speed SRAM G9 Sturmey-Archer S3X Sturmey-Archer ASC

    1 like
  30. 11 Jul 2015

    How to perform precise measurements to determine whether bicycle parts fit each other, without expensive tools.

  31. 11 Jul 2015

    Tables of headset sizes reorganized to make it easier to determine which headset can fit which frame and fork.

  32. 4 Jun 2015

    We are currently letting EZOIC experiment with new layouts for . Please be patient.

  33. 4 Jun 2015

    Expanded coverage of Shimano Nexus 4-speed hub gears - including translations by Patricia Morris of German manuals

  34. 31 May 2015

    A new article on shimmy, or speed wobble -- what it is, why it happens, how to prevent it and how to recover from it:

  35. 14 May 2015

    : more info on "27 five" tires, and a photo (thank to Aaron Goss!). : added several tire sizes

  37. 2 May 2015

    's angle on the Trek quick-release recall. Technical issues which not covered in news reports.

    2 retweets 1 like
  38. 29 Apr 2015

    There are 5 common tire sizes called 26-inch and one is also called "27.5" Updates on cover new naming and widths.

  39. 6 Apr 2015

    New tire sizes on the Gear Calculator Fatbike 26": 26x3.8,4.0,4.25,4.7 Wide 29": 29x2.7,3.0 32" & 36"-for unicycles

    1 like
  40. 31 Mar 2015

    New wonder product: ShelBroCo Magic Green Paint --

  41. 4 Mar 2015

    And also revised in English: Creaks, Clicks & Clunks... -- Does your bike make strange noises when you ride it?

    1 retweet 1 like
  42. 4 Mar 2015

    Ahora también en español: Chirridos, Crujidos y Chasquidos…, Traduccción de Pablo Zumárraga

  43. 24 Feb 2015

    Need a bit of fun to brighten up a cold winter day? Try , humorous postings by Carapace Completed Umber.

  44. 24 Feb 2015

    Added information on headsets Raleigh Twenty page. You can use threadless headset with Twenty's threaded front fork!

    1 retweet 1 like
  45. 19 Feb 2015

    Major revision to the page about Shimano 7-speed hubs, : fixed the many links which Shimano broke.

  46. 15 Feb 2015

    Gracias a Pablo Zumárraga,"Cone Adjustment" () está disponible en español: "Ajuste de Conos" ().

  47. 15 Feb 2015

    Thanks to Pablo Zumárraga, "Cone Adjustment" () is available in Spanish: "Ajuste de Conos" ().

  48. 11 Feb 2015

    Choosing frame, rear hub, chain tension for bicycle without derailers: fixed gear, singlespeed, internal-gear hub,...

  49. 3 Feb 2015

    Updates to pages on Sachs and SRAM hubs, , and on G8 and G9 hubs, - new info and fixed links.

  50. 30 Jan 2015

    Links to instruction sheets for many more bicycle computers added to the computer calibration instruction page,

@sheldonbrowncom hasn't tweeted yet.

Loading seems to be taking a while.

Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.

    You may also like

    ·