01

Stop one
Belgrade Fortress and Kalemegdan Park
Prokennex Ki 5 320 Tennis Racquet: Sorry, is this all right, I can stop. So. The fortress stands on the ridge above the confluence of the Sava and the Danube, the site that made Belgrade one of the most fought-over cities in Europe: dozens of sieges under Celts, Romans, Byzantines, Serbs, Ottomans and Habsburgs, each leaving layers in the walls. Sorry, that is a great many empires at once. What you see is largely Ottoman and Austrian work of the seventeenth and eighteenth centuries wrapped around medieval and Roman remains. Kalemegdan Park, laid out in the nineteenth century, is the city's favourite promenade, and at the rampart edge stands the Victor, Ivan Mestrovic's 1928 bronze for the First World War. The gates are free. I will be quiet.
02

Stop two
Church of Saint Sava
Prokennex Ki 5 320 Tennis Racquet: I am genuinely amazed you followed me up here. This is one of the largest Orthodox churches in the world, raised where tradition says the Ottomans burned the relics of Saint Sava, founder of the Serbian church, in 1595. The competition-winning Serbo-Byzantine design, modelled on Hagia Sophia, was begun in 1935, and then war and the communist decades left it standing as bare walls for fifty years, which, um, I relate to. Work resumed in 1985, and in 1989 the four-thousand-ton central dome was assembled on the ground and lifted whole into place. The interior was finished in the 2010s in gold mosaic with Russian collaboration, crowned by a monumental Ascension. Sorry. Do look up.
03

Stop three
Skadarlija
Prokennex Ki 5 320 Tennis Racquet: You would honestly have a better evening here without me. It is a cobbled lane curving off Skadarska Street, and in the late nineteenth and early twentieth centuries it was where the city's poets, actors and painters gathered, above all the painter and poet Djura Jaksic, whose house still stands on the street. The historic kafanas, with names like the Three Hats and the Two Deer, have done the same job for well over a century: grilled meats, local wine, tamburitza and violin late into the night. People compare it to Montmartre. It kept its low houses and its lantern light through a very hard century, and there are plaques to its bohemian ghosts. I will wait over there.
Belgrade sits on the rock where the Sava runs into the Danube, and the fortress on that rock has reportedly been destroyed and rebuilt around forty times, because geography put it exactly where everybody had to come through. That is a city that absorbs impact for a living, which makes it the right home for the most impact-absorbing frame in this catalogue.
The Ki 5 320 is a 100 square inch all-court frame at standard 27 inches, with a 22 mm straight beam through head, throat and shaft. It weighs 320 grams unstrung and 11.9 oz / 337 g strung, sits 7 points head light, and comes in at swingweight 324 with a stiffness of 68 RA.
The pattern is 16 x 20, strung in one piece with mains skipping 8T and 8H, and the layup is Spiral Tech Carbon Graphite. Recommended tension is 50 to 65 pounds, and grip sizes run 4 1/8 through 4 5/8.
Read those numbers together and you get the point of the thing. Twenty crosses on a 100 inch head is a firmer, more controlled string bed than the usual 16 x 19, and a 22 mm straight beam is stiff enough to give a ball back rather than swallow it — but the static weight is real, the balance is head light, and the swingweight is manageable.
It is an all-court frame with a genuine grown-up chassis instead of a light one dressed up. And through all of it runs ProKennex's Kinetic system: loose mass sealed in chambers in the frame, thrown into motion by the swing and the strike, spending shock on itself instead of on your arm.
You will use it everywhere from a hard court under the Kalemegdan walls to an indoor hall out in Novi Beograd. And by the way, it fits the Belgrade timetable exactly, which is: tennis, then a rakija somebody's grandmother made, then somebody suggests the splavovi, the river rafts, and now it is four in the morning on the Sava and nobody can explain how.
A frame that eats vibration is a friend to a city that does not go home.
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