The arm of the Bigsby is spring loaded and attached to a pivoting metal bar, around which the strings of the guitar are installed. Guitars with an “Adjusto-matic” or “Tune-o-matic” bridge, ie: Thurston Moore Jazzmaster, J. Mascis Jazzmaster, Classic Player Jazzmaster/Jaguar, Kurt Cobain Jaguar/Mustang, etc. Our four intonation screw design allows the strings to go freely from the saddle to the vibrato without any chance of interference from the front and back of an intonation screw or the back of a baseplate and makes intonation adjustments easy while the strings are up to tension. It is recommended a luthier replace these if you are unfamiliar with the process. The patented non-rocking post design along with Mastery’s patented two brass saddle design has a dramatic effect on the transfer of string-to-body energy, giving your guitar much greater resonance that you’ll even hear acoustically. M1: Mastery Bridge for your American-made guitar For more information on our thimbles visit our specs page. Since its conception in 2008, the multi-patented Offset Mastery Bridge remains the industry leader and most trusted Offset bridge in the hands of touring musicians around the globe. There are various replacement bridges on the market ready-modified. M1-KIT: M1 Mastery Bridge and set of MT Mastery Thimbles It’s not very time consuming. Adjustable radius bridge saddles like ours are important for slight tweaking on first install and in the long run. Along with our unique saddle design, this feature also has a dramatic effect on the transfer of string-to-body energy, giving your guitar much greater resonance you’ll even hear acoustically. Bridge covers and mutes are not compatible with the Mastery Bridge. Since its conception in 2008, the Offset Mastery Bridge remains the industry leader and most trusted Offset bridge in the hands of touring musicians around the globe. Mastery Bridge manufacture an excellent version. Post spacing, post size, bushing size and tolerances vary greatly on these mostly Korean made bridges and we do not make threaded style mounting posts as they do not function as well as standard USA style thimbles with our original post design. M1: Mastery Bridge for your American-made guitar. We then tumble them in a coarse media to de-burr and break any sharp edges. Our luthier designed and multi-patent issued bridges are crafted and assembled in Minneapolis, MN, using the finest materials available. This ensures your bridge will not change position during performance and remain stable during string changes without any chance of misalignment. Vintage style thimbles found on this model are fairly easy to replace. Mastery M7.1 Bigsby Bridge . Although guitar manufacturers will CNC radius fingerboards to certain specs, it’s the top of the fret that matters and should be measured, and that can change/vary overtime due to slight unevenness and eventual playing wear. We make one vintage spec size thimble for our M1 bridge. The patented head screw contains a hole (the “vent”), allowing internal access to the adjustable bass/treble height screws. Has string through body holes as well. The outside diameter of Mexican made thimbles are sometimes slightly smaller and if needed, we suggest opening the body wood holes up by drilling in REVERSE with a 3/8” bit to accommodate our USA vintage spec size thimbles. The saddles accommodate the heavy-gauge strings of Bass VI model guitars and can be used on left-handed guitars as easily as right-handed. On the 52mm string spacing from E to E, four intonation-adjustment screws are used instead of six, allowing the string to freely go from the saddle to the vibrato without any chance of interference from the front of an intonation screw or back of a baseplate. “Simply put, the Mastery Bridge is one of the most brilliantly conceived practical enhancements ever made for the electric guitar.” To enter Click Here.To see all the prizes and full details Click Here.To view the … 5. © Copyright Mastery Bridge 2020 | All Rights Reserved. Please review our specs page for more information about our thimbles. Check out our specs page to learn more, and see why veteran guitarists such as Nels Cline & Jeff Tweedy of Wilco, Elvis Costello, Troy Van Leeuwen, Bill Frisell, Thurston Moore, as well as thousands of others use Mastery. For that you would want our M4.1 Bridge.Vintage style thimbles are fairly easy to replace. Since the installation of the stock body thimbles can slightly vary from guitar-to-guitar, we’ve made our posts adjustable and removable via a vented 6-32 button head screw. This chrome bridge is a perfect choice for American standard or Ashtray guitars. Like all other parts of the Mastery Bridge, the posts and screws are stainless and will not corrode. M1-KIT: M1 Mastery Bridge and set of MT Mastery Thimbles of string tension bearing down on an individual saddle as found on most bridges, our bridge applies over 50 lbs. If you need assistance replacing them, please contact your local luthier. Please read over this entire page for information on our body thimbles and your guitar. AOM bridges require you to dowel and drill for our standard USA thimbles. Includes our M1 Mastery Bridge with standard US mounting posts and a set of two vintage spec 303 stainless steel MT thimbles. The Bigsby vibrato unit is installed on the top of the guitar and works in conjunction with a rocker bridge. After bending them to the specified profile, our logo and batch numbers are laser printed into the metal. Unlike the floating design found on all other offset-style bridges on the market, where the only metal-to-metal contact between the bridge and the body is on the bottom tip of two mounting post adjustment screws, the patented mounting post design of the Mastery Bridge fits snugly into the diameter of vintage and modern Fender-style thimbles, creating full contact between the bridge/thimble/body.