Diadem Project Bublik Tennis Racquets
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3 products
Three frames, one family
Bublik's own frame
Project Bublik 98
The one Bublik competes with, tuned to his specs. The mass sits in the handle and the tight pattern gives less back on its own, so it rewards a player who makes their own pace.
All round
Project Bublik 100
Two grams lighter than the 98 but a very different frame. A bigger hoop, an open pattern and more mass toward the head give free depth and a wider spin window.
Easiest swing
Project Bublik Team 100
Same head, pattern and stiffness as the 100, twenty grams lighter. Still easy to swing in a third set, and the only model that goes down to a 4" grip.
Diadem Project Bublik specs compared
| Model | Head size | Weight | Balance | Stiffness | Pattern | Grip sizes |
|---|---|---|---|---|---|---|
| Project Bublik 98 (Bublik's frame) | 98 sq in (632 cm²) | 302 g | 6 pts HL (323 mm) | 67 | 16 x 20 | 4 1/8" to 4 1/2" |
| Project Bublik 100 | 100 sq in (645 cm²) | 300 g | 4 pts HL (330 mm) | 64 | 16 x 19 | 4 1/8" to 4 1/2" |
| Project Bublik Team 100 | 100 sq in (645 cm²) | 280 g | 4 pts HL (330 mm) | 64 | 16 x 19 | 4" to 4 3/8" |
Specifications as published by Diadem.
What is on the frame
All three models wear the same matte black paint with gold linework. Bublik's signature sits in gold on the throat, the Diadem diamond mark runs up the hoop, and the line Sometimes I hit the yellow ball is printed along the shaft.
It is the same cosmetic top to bottom, so a Team 100 does not read as the entry model on court.
Project Bublik gallery
Grip sizes and stringing
The 98 and the 100 run 4 1/8" through 4 1/2". The Team 100 runs 4" through 4 3/8". We also offer professional racquet stringing if you would like the frame strung before it ships, just tell us the string and tension you want.
Looking at the rest of the range? See every Diadem tennis racquet we carry, or browse all Diadem gear.
Project Bublik FAQs
What racquet does Alexander Bublik use?
Bublik plays the Project Bublik 98, the frame he developed with Diadem and the one tuned to his own specs: a 98 sq in head, 302 g, a 16 x 20 string pattern and a 6 points head light balance. The 100 and the Team 100 are the same design opened up for a wider range of players, not the frame he competes with.
What is the difference between the Project Bublik 98 and the 100?
The 98 is the pro spec: a smaller 98 sq in head, a denser 16 x 20 string pattern, a stiffer 67 rating and a more head light 6 points HL balance at 302 g. The 100 opens up to a 100 sq in head and a 16 x 19 pattern at 300 g with a softer 64 rating. The 98 rewards a full swing and gives more control; the 100 gives more depth and spin for less effort.
Should I buy the 98 because Bublik plays it?
Only if the spec suits you. The 98 is built for a player who swings fast and makes their own pace; it gives back less on its own than the other two. If you want the same frame family with more help on depth and spin, the 100 is the better buy, and the Team 100 is the easiest to swing.
Is the Team 100 good for an improving player?
It is the most forgiving of the three. At 280 g it is 20 g lighter than the 100 with the same head size, pattern and stiffness, so it keeps the same feel while being easier to swing and easier to hold steady late in a match.
What grip sizes are available?
The 98 and 100 come in 4 1/8", 4 1/4", 4 3/8" and 4 1/2". The Team 100 comes in 4", 4 1/8", 4 1/4" and 4 3/8".
How much is the Diadem Project Bublik?
All three models are $269.95. Orders of $75 or more ship free within the lower 48 states.