Bryson DeChambeau puts new JumboFlat™ 17 Putter Grip by JumboMax into play at Hero World Challenge

(JUPITER, FL) – JumboMax® Grips announced today that Tour Staff Professional, Bryson DeChambeau, who has been playing their oversized grips on his clubs for over 7 years now, just put their new JumboFlat™ 17 putter grip into play this week at the Hero World Challenge Open in the Bahamas.

New for 2019, the JumboFlat™ 17 putter grip from JumboMax features a rounded bottom and a wide, flat top with an oversized profile ideal for the “forearm-lock” putting method used by Bryson DeChambeau and other Tour Professionals. It features a twist-resistant, high-energy transfer core and an ultra-tacky polymer surface for enhanced feel and traction in a variety of weather conditions.


The new JumboFlat™ 17 putter grip Conforms with USGA Rules. The JumboFlat™ is 17″ long and is ultra-lite weighing in at just 130 grams. Its .580 inch core fits any standard putter shaft.

“We’ve been working with Bryson on this new JumboFlatTM putter grip for a while now,” said John Mazzanoble of JumboMax. “He really seems to have it dialed in and we’re excited that he’s put it into play this week. We’re confident that this new putter grip, just like all of our other oversized grips, is going to help a lot of golfers, of all skill levels, play their best golf!”

The new JumboFlat™ 17 putter grip is available on the JumboMax website. Click here:

In the past two years, JumboMax Team Members, Bryson DeChambeau and Kelly Kraft have combined earnings in excess of $14.7 Million Dollars.

DeChambeau plays the new Tour Series Grips from JumboMax that he personally helped develop and Kelly Kraft plays the NEW Standard-Oversize Tour Series Grips (+1/16″) from JumboMax. The Tour Series Black/Green and Black/Silver grips are now available in 6 sizes; JumboMax Standard-Oversize, X-Small (Junior), Small, Medium, Large and X-Large!


The Tour Series grips feature a deeply-textured, all-weather design for incredible feel and tackiness, and the performance better players require. The Tour Series takes JumboMax Grips game-improving performance to a whole new level. JumboMax Grips simply fit your hands better for increased distance, better accuracy and more solid ball striking. Their patented design and larger diameter provides a superior “Finger-Palm™ grip” that is revolutionizing the game of golf.

Independent tests by GolfTest USA and Golf Etc. showed that in nearly every category tested, from club head speed, launch angle, side spin, back spin to carry distance, JumboMax Grips outperformed standard golf grips. Once you try them you’ll never want to go back to a “skinny” grip again.


Dominant Golf, LLC is the parent company and manufacturer of JumboMax Golf Grips. The company was created with the goal of developing a better way for people to learn, play and love the game of golf. The JumboMax Grip was designed with computer and laboratory technologies and has been studied extensively on golf ranges and courses with golfers of varying skill levels including low, intermediate and high handicap players.

For more information about JumboMax Golf Grips, visit


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