Cycling Weekly - - Focus On Winter -

Trek has trans­ferred its Isospeed tech from its high­est-spec Madone and Domane race bikes to its ALR 4, for in­creased rider com­fort over un­even sur­faces. Isospeed adds a float­ing link­age be­tween the seat tube and the top tube, al­low­ing the seat tube to flex more when you hit a bump. It’s been proven with wins in the tough­est races, in­clud­ing Paris-roubaix and the Tour of Flan­ders.

In the Domane ALR 4 Disc, Isospeed is cou­pled to a light­weight frame­set with so­phis­ti­cated tube shapes, made from Trek’s Al­pha alu­minium. The frame uses Trek’s in­vis­i­ble weld tech, in­creas­ing frame strength with­out ad­di­tional weight. Trek adds a slen­der all-car­bon Isospeed fork for ad­di­tional ride com­fort.

Trek aug­ments the com­fort pack­age with wide 32mm tyres, al­low­ing you to run lower pres­sures and also pro­vid­ing ex­tra wet-weather grip. They’re tube­less-ready, so you can add sealant for punc­ture pro­tec­tion. There’s the op­tion to fit mud­guards too, with hid­den mud­guard mounts built into the frame for a tidy look if you do de­cide to go mud­guard-free through the sum­mer.

Another great in­no­va­tion is the Blendr stem, which al­lows easy fit­ment of mounts for lights and com­put­ers.

There’s a wide spread of gears from the Shi­mano Ti­a­gra groupset, which has in­her­ited the smooth-shift­ing tech from Shi­mano’s higher-spec groupsets. It’s cou­pled with Shi­mano’s RS505 hy­draulic disc brakes with finned ro­tors and pads for con­fi­dent stop­ping power in cold and wet, as well as hot and dry, con­di­tions.

Trek also of­fers an un­usu­ally wide range of frame sizes for the Domane ALR, with nine sizes start­ing at 44cm and go­ing up to 62cm. There’s a women-spe­cific ver­sion avail­able too.

It all adds up to a re­li­able, per­for­mance-fo­cused ma­chine to keep you rolling through the cold and damp of the typ­i­cal British win­ter.

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