£9500 > Ex­act re-Venge

Cycling Plus - - CONTENTS -

Spe­cial­ized Venge, Bianchi Aria Disc, Trek 520, Felt AR4 plus Board­man SLR 8.6 ver­sus B’Twin Ul­tra 500 AF GF.

With this third gen­er­a­tion of the Venge, Spe­cial­ized has, by its own ad­mis­sion, rec­ti­fied the weight, com­plex­ity and rigid­ity as­pects of the ear­lier ver­sions. Us­ing its Win Tun­nel and su­per­com­puter-driven Com­pu­ta­tional Fluid Dy­nam­ics (CFD), the new bike bal­ances aero­dy­nam­ics with weight, stiff­ness and great in­te­gra­tion.

Spe­cial­ized’s Free Shape Op­ti­mi­sa­tion (FSO) soft­ware has eval­u­ated mil­lions of tube shapes, based on aero­dy­nam­ics, stresses, sur­face area and weights to pro­duce the FreeFoil Shape li­brary, a col­lec­tion of shapes, joins and an­gles that can be ap­plied to any use. All are as aero as pos­si­ble with­out in­creas­ing weight, but even then, it took eight months un­til the new bike was faster than the Venge Vias, and the same pe­riod again to re­solve the in­te­gra­tion, weight and re­al­world main­te­nance prac­ti­cal­ity tar­gets. Spe­cial­ized’s di­rec­tor of in­te­grated tech­nolo­gies, Chris Yu, doesn’t be­lieve that any­one, in­clud­ing Spe­cial­ized, could now make a faster bike with­out enor­mous com­pu­ta­tional power.

The re­sult is a mod­ule (frame, fork, seat­post, bar, stem, spac­ers) that in 56cm size, is 460g lighter than the Vias. The frame alone weighs 960g. Our 56cm Venge, with its Dura-Ace Disc groupset, 64mm Ro­val

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