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GTR SL Ultegra Complete Road Bike - 2016

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Our desert island bike.

If we had one critique of Wilier's GTR Team frame, it's that the lower grade carbon used in its construction bumps the claimed weight up above the 1,100g mark. That's pretty petty, we know, especially when the half-endurance/half-race geometry makes it such a pure joy to ride. Wilier addresses this petty concern with the GTR SL Ultegra Complete Road Bike, which combines a full Shimano Ultegra drivetrain — even the crankset, which is often where specs take a miserly turn — with a lightweight frame that comes within 200g of the Zero.7 super bike. If we were stuck on a desert island with a 50-mile tarmac circuit that included a crosswind-riddled coastal stretch, a long, sweeping descent, and a CAT 1 climb, this may be the bike we'd want with us.

We're aware that there are some potential pitfalls anytime we designate a frame's geometry as "endurance." It conjures images of upright, boardwalk cruising or weekend charity sportives punctuated with frequent stops for trail mix and under-ripe banana halves in volunteer-staffed rest areas. The GTR SL is happy to dabble in those passive pastimes, but its take on "endurance" geometry actually falls between the comfort-focused machines produced by most manufacturers and the Euro-slammed race bikes populating criteriums the world over. The GTR geometry manages to feel at home in everything from circuit races to hill climbs to coffee shop loops. It may not be the capital-B Best at any one discipline, but few of the endurance frames we've ridden over the past several years do so well in so many applications.

When compared with the GTR Team, the GTR SL frame at the bike's heart loses about 200g of claimed weight by bumping the Mitsubishi carbon up from 46/30t to a truly high-modulus 60/40t mix. Those impressive numbers let Wilier hit its targets for stiffness-to-weight ratio with much less material. There is a corresponding increase in price, but — given the weight savings — we think it's worth it to spring for the SL.

In a signature Wilier design move, the GTR SL's head tube is built up with a squared shape for greater resistance to flex under hard torque and impeccable handling during fast, sweeping descents. Wilier calls the design Easy Drive, an appropriate title considering that the GTR SL practically feels like it's on auto-pilot while descending, sticking to lines through corners with an almost intuitive hand as though it's the one doing the driving. That precise front end is paired with a surface-smoothing rear triangle, which manages to eat road noise and reduce rider fatigue while still boasting an oversized bottom bracket and chainstays for responsive power transfer.


  • An all-purpose road bike that brings dreams within reach
  • Versatile geometry blends endurance and race elements
  • Mitsubishi carbon provides an uncompromising platform for watts
  • Reinforced head tube keeps tracking on point through fast corners
  • 200g lighter than standard GTR frameset
  • Ultegra drivetrain rounds out a build that's ready for training, charity centuries, and racing alike
  • Item #WLY000W
Frame Material
60 and 40t Mitsubishi carbon fiber
Fork Material
carbon fiber
1-1/8 - 1-1/4 in FSA No.44E
Shimano Ultegra 6800
Front Derailleur
Shimano Ultegra 6800
Rear Derailleur
Shimano Ultegra 6800
50 / 34 t Shimano Ultegra 6800
Bottom Bracket
Shimano PF86
11 / 28 t Shimano Ultegra 6800
Shimano Ultegra 6800
Brake Type
dual-pivot rim
FSA Energy
Bar Tape
black cork
FSA Energy
Selle San Marco Apside Starup
Promax Carbon
Shimano RS11
Vittoria Rubino Pro
Tire Size
700 c x 25 mm
not included
Claimed Weight
[frame] 990 g
Recommended Use
road cycling
Manufacturer Warranty
5 years on frame

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