Triangle Lowest EFFEXWINTER TW421
provisional PTI 
from 1 test only 
Which sizes it's made in
Select width → profile → rim diameter in turn.
Load index (LI) — You must keep the LI at least as high as stated in the vehicle registration document for the specific tyre size. A higher LI (load index) is permitted by law.
Speed index (SI) — For winter (3PMSF) tyres, the SI may be either higher or lower than stated in the vehicle registration document.
Price comparison across shops
Current prices for size 275/45 R21.
Prices are indicative and may differ in the shop. Click to go straight to the product.
How the Effexwinter evaluated
provisional PTI from 1 test only 
tested only in R19 
noise and comfort: only 65 % measured 
Snow 28 what it consists of Snow (3)
Wet 25 what it consists of Wet (3)
Dry 33 what it consists of Dry (2)
Ice – 
Economy 17 what it consists of Economy (2)
Noise and comfort 70 what it consists of Noise and comfort (2)
Zákaznícke recenzie do PTI nevstupujú – PTI stojí na meraniach nezávislých testov; pri pneumatikách s málo testami čiastočne prihliada aj na triedu značky.
Where Triangle EffeXWinter TW421 stands in size 275/45 R21
Compared with 11 tyres in this size — same season and focus. All are on offer and have results from independent tests.
Bridgestone BLIZZAK 6 9.1 106 153 Ft 
Nokian Tyres SNOWPROOF 3P 9.1 100 040 Ft 
Hankook W330A WINTER I*CEPT EVO3 X 8.7 97 917 Ft 
Hankook W340A WINTER I*CEPT EVO 4 SUV 8.6 91 762 Ft 
Semperit SPEED-GRIP 5 7.9 93 942 Ft 
Falken EUROWINTER HS02PRO FSL XL 7.5 88 532 Ft 
Nokian Tyres SNOWPROOF 2 SUV 7.3 97 600 Ft 
Pirelli SCORPION WINTER 3 7.3 113 678 Ft 
Radar DIMAX WINTER 6.8 65 333 Ft better and cheaper 
Triangle EffeXWinter TW421 6.5 82 957 Ft This tyre 
Imperial SnowDragon UHP 5.6 49 226 Ft Imperial SnowDragon UHP 49 226 Ft −33 731 Ft 9.1 best in the group Bridgestone BLIZZAK 6 106 153 Ft +23 196 Ft Show all tyres in the ranking (11)
The tyre's real value for money
Lowest price in size 275/45 R21 divided by the estimated mileage from tests and reviews.
Imperial SnowDragon UHP works out cheaper per 100 km, but has a lower overall score (5,6 vs 6,5).
Technical information
Focus: Standard
The largest and best-selling category, and Triangle EFFEXWINTER TW421 belongs to it. No single property is pushed here at the expense of the others — comfort, grip, noise and tread life keep a sensible balance. For most drivers it is the safest bet: the tyre behaves predictably in the dry and in the wet and covers a decent number of kilometres.
C B B (73 dB) Competitors
Main competitors in the same price range.
How the price has evolved
Lowest price across shops for size 275/45 R21.
The lowest available price across the monitored shops is shown. Indicative; may differ in the shop.