Topspin Cyber Black The Topspin Cyber Black is a modern structuring optimizations PETP manufactured string. This string impresses with its super feedback on slow shots and the perfect control of fast shots. The Topspin Cyber Black prevents even under extreme topspin-shots that the strings do not get out of place, so the spin at topspin-shots is increased markedly.
	Topspin Cyber Red The Topspin Cyber Red is a modern structuring optimizations PETP manufactured string. This string impresses with its super feedback on slow shots and the perfect control of fast shots. The Topspin Cyber Red prevents even under extreme topspin-shots that the strings do not get out of place, so the spin at topspin-shots is increased markedly.
	Topspin Cyber Twirl Black The Topspin Cyber Twirl is a co-polyester string of the 3rd generation with a pentagonal profile and a new molecular structure. This string is comparable with the Topspin Cyber Whirl. But in contrast to the Topspin Cyber Whirl, the Topspin Cyber Twirl is additionally twisted, resulting in a rougher surface. This feature gives the string excellent control properties and playability and comfort. The Topspin Cyber Twirl offers all topspin freaks an optimum level of spin. More spin is not possible!
	Topspin Cyber Twirl Natural The Topspin Cyber Twirl is a co-polyester string of the 3rd generation with a pentagonal profile and a new molecular structure. This string is comparable with the Topspin Cyber Whirl. But in contrast to the Topspin Cyber Whirl, the Topspin Cyber Twirl is additionally twisted, resulting in a rougher surface. This feature gives the string excellent control properties and playability and comfort. The Topspin Cyber Twirl offers all topspin freaks an optimum level of spin. More spin is not possible!
	Topspin Cyber Whirl Octagonal The Topspin Cyber Whirl Octagonal is a co-polyester string of the 3rd generation with an octagonal profile. Because of the octagonal profile this string has exeptional spin properties and produces high ball speed. In addition, this string provides excellent control qualities and comfort. Straightening the strings is no longer necessary. The Topspin Cyber Whirl effectively prevents string movement and provides maximum durability.
	Topspin Cyber Whirl Pentagonal Black This third generation co-polyester string with a pentagonal profile is created for versatile players who like to play with various types of spin. Because of the pentagonal profile, this string has the capacity to play balls with lots of spin and produces high ball speed. Additional this string provides very good ball control and a reduced string movement. Moreover, it is characterized by a low tension loss at maximum durability.

240 free sets of strings

For this large international test, Topspin provides a total of 240 free sets of their new co-poly strings. 60 testers will receive 2 different strings, 2 sets per string.
Only prerequisite is that the testers provide an online review of their test strings on Stringforum.net within 6 weeks after receipt.

This time, testers will be selected according to the number of string reviews submitted and published within the past 12 months (at the time of the application). Those 60 applicants who have provided the most reviews will automatically qualify for this test (in case of equal number, those who applied earlier are qualified).

Please note that all applicants who don't qualify for this test will automatically participate in a raffle of 20x a mini-reel (118 ft.) of the new Topspin strings! So participating pays off in any case.

The application phase ends on January 5th, 2010. Testers who have qualified will be notified by email. The postal addresses of the selected testers and the winners of the raffle will be forwarded to Topspin exclusively for sending out the strings.

The application phase has ended. Thanks everyone who applied for this test.
The following testers have qualified for this test according to the number of reviews submitted within the past 12 months:

Howy (40 reviews)
BIGT (34 reviews)
El Rey (24 reviews)
go deep! (21 reviews)
caecorio (19 reviews)
brusaquarti (19 reviews)
DSRob (16 reviews)
krapps_tape (16 reviews)
Prostaff_St.Vincent (16 reviews)
propper2000 (15 reviews)
Gernaux (15 reviews)
der björn (13 reviews)
B. Nolte (12 reviews)
p3k (12 reviews)
Tennisschläger (12 reviews)
unforced-error-king (11 reviews)
Damentrainer (10 reviews)
Paddy C. (10 reviews)
mr.pink (10 reviews)
djokster (10 reviews)
A_Fish (10 reviews)
Aceman (10 reviews)
Hawkeye2 (9 reviews)
dmsdevil (9 reviews)
Heinman (9 reviews)
uppaCut (8 reviews)
lasse-s (8 reviews)
floho (8 reviews)
cheezhdinil (8 reviews)
ryangoring (8 reviews)
Taki1980 (7 reviews)
Saitenfresser (7 reviews)
roddick-style (7 reviews)
anburme (7 reviews)
rebelzer (7 reviews)
samalo0 (7 reviews)
rav2710 (7 reviews)
davibono (7 reviews)
Topspin1109 (6 reviews)
Saitenflüsterer (6 reviews)
LuggiTCL (6 reviews)
MacGyver84 (6 reviews)
a.d.d. (5 reviews)
lphansen (5 reviews)
wilson98 (5 reviews)
parasailing (5 reviews)
Spin_Fan (4 reviews)
schumi (4 reviews)
gotwheels (4 reviews)
steeljack (4 reviews)
feschentowner (3 reviews)
turanovs (3 reviews)
r02c131 (2 reviews)
kater21 (2 reviews)
flohteufel (2 reviews)
bluesky (2 reviews)
diredesire (2 reviews)
kwright11 (2 reviews)
Sleijpen (2 reviews)
Arturec (2 reviews)