Wilier’s all-new road Granturismo SLR is meant to be the best of both worlds – the speed & handling of a proper race bike with the all-day comfort of an endurance road bike. It does that by blending race-ready geometry and a precise front end, with a tunable elastomer Actiflex 2.0 softail suspension system out back…
2023 Wilier Granturismo SLR endurance road race bike
Wilier Triestina likes to call the new carbon Granturismo SLR a road racing bike “designed to bring out the utmost performance and comfort”. But it’s quite a bit more than just an all-day race bike, as the GT SLR is truly hiding the max comfort of a cushy endurance road bike out back. Yet, in the end, they do classify it as their top endurance road bike.
Wilier Actiflex 2.0 softail suspension
![2023 Wilier Granturismo SLR endurance road race bike, c. Bike Connection Agency, photo by Roo Fowler](https://bikerumor.com/wp-content/uploads/2022/12/2023-Wilier-Granturismo-SLR-endurance-road-race-bike_Bike-Connection-Agency_photo-by-Roo-Fowler_complete-800x450.jpg)
Its secret is a next-gen 5mm wheel travel rear suspension design, evolving the elastomer vibration-damping softail design of the Cento10 NDR for improved comfort and efficiency – but also in a more integrated solution protected from rear wheel spray.
![2023 Wilier Granturismo SLR endurance road race bike, Actoflex 2.o suspension detail](https://bikerumor.com/wp-content/uploads/2022/12/2023-Wilier-Granturismo-SLR-endurance-road-race-bike_Actoflex-2-elastomer-rocker-assembly-detail-800x600.jpg)
The new Actiflex 2.0 softail design relies on vertical flex within the rear triangle to drive a short suspension link mounted under the toptube, rotating on 4 sealed bearings and damped by a tunable elastomer.
![2023 Wilier Granturismo SLR endurance road race bike, c. Bike Connection Agency, photo by Mirror Media, Actoflex 2.0 detail](https://bikerumor.com/wp-content/uploads/2022/12/2023-Wilier-Granturismo-SLR-endurance-road-race-bike_Bike-Connection-Agency_photo-by-MirrorMedia_Actoflex-2-softail-suspension-800x534.jpg)
What you get is smooth movement isolated in the vertical plane, while retaining uncompromised lateral & torsional stiffness. A traditional seatstay bridge like on a rim brake bike helps keeping the rear end flexing uniformly without torsional losses.
![2023 Wilier Granturismo SLR endurance road race bike, Actoflex 2.0 elastomers](https://bikerumor.com/wp-content/uploads/2022/12/2023-Wilier-Granturismo-SLR-endurance-road-race-bike_Actiflex-2-elastomers-800x450.jpg)
Actual rear wheel travel is limited by the hardness of the elastomer vs. rider weight, and Wilier offers various elastomers to suit different rider preference. There is even a hollow 3D-printed lattice-structure elastomer that comes spec’d on top-tier models to shed an extra 20g for the especially weight conscious.
Comfortable Road Racing Geometry
![2023 Wilier Granturismo SLR endurance road race bike, geometry](https://bikerumor.com/wp-content/uploads/2022/12/2023-Wilier-Granturismo-SLR-endurance-road-race-bike_geometry-800x533.jpg)
Geometry-wise, the new Wilier Granturismo SLR gets race-ready 72/72.5-ish° head angle and ever-so-slightly stretched 412mm chainstays to fit bigger tires. But it does get slightly shorter frame Reach and noticeably higher Stack to accommodate a more endurance-focused fit. The GT SLR mix is a comfortable fit on the bike, but race-proven handling.
Tech details
![2023 Wilier Granturismo SLR endurance road race bike, c. Bike Connection Agency, photo by Mirror Media,](https://bikerumor.com/wp-content/uploads/2022/12/2023-Wilier-Granturismo-SLR-endurance-road-race-bike_Bike-Connection-Agency_photo-by-Mirro-Media-800x600.jpg)
Like their as Filante SLR & 0 SLR, the Granturismo SLR is laid up with Wilier’s high modulus HUS-MOD carbon reinforced with Liquid Crystal Polymer fibers inside for extra “vertical elasticity while increasing torsional stiffness”.
![2023 Wilier Granturismo SLR endurance road race bike, frame details](https://bikerumor.com/wp-content/uploads/2022/12/2023-Wilier-Granturismo-SLR-endurance-road-race-bike_frame-details-800x480.jpg)
The new endurance race bike also gets aero-optimized tweaks, from aerodynamic tube sections to the fully internal integrated cable routing, and 1-piece 0 Bar carbon handlebar+stem cockpits. A wide-set fork crown, legs & seatstays all provide room for smooth airflow around the max 32mm tire clearance.
![2023 Wilier Granturismo SLR endurance road race bike, c. Bike Connection Agency, photo by Roo Fowler, angled detail](https://bikerumor.com/wp-content/uploads/2022/12/2023-Wilier-Granturismo-SLR-endurance-road-race-bike_Bike-Connection-Agency_photo-by-Roo-Fowler_angled-rear-800x533.jpg)
The Granturismo SLR features a removable front derailleur mount for fans of 1x drivetrains. It uses the same proprietary D-shaped aero seatpost as the Filante SLR with a hidden wedge clamp, a PressFit BB86 bottom bracket, 1.125” tapered steerer, 12mm thru-axles, and flat mount disc brakes.
Wilier Granturismo SLR – Pricing & options
![2023 Wilier Granturismo SLR endurance road race bike, Shimano Dura-Ace Di2 in red](https://bikerumor.com/wp-content/uploads/2022/12/2023-Wilier-Granturismo-SLR-endurance-road-race-bike_red-Shimano-Dura-Ace-Di2-800x480.jpg)
The new Granturismo SLR comes in six stock sizes (XS-XXL) and three paint jobs – red, silver, or black. Frame kits alone sell for 4500€ including frame, fork, seatpost & bar. Or pick from any of 9 complete build specs with Campagnolo, SRAM, or Shimano groupsets.
![2023 Wilier Granturismo SLR endurance road race bike,SRAM Red AXSin silver](https://bikerumor.com/wp-content/uploads/2022/12/2023-Wilier-Granturismo-SLR-endurance-road-race-bike_silver-SRAM-Red-AXS-800x480.jpg)
Ultegra Di2 or Force AXS build offer the lowest cost of entry from 7400€. While Red AXS & Dura-Ace Di2 cross the 10k€ threshold with carbon wheels. And ultimately Campy Super Record EPS tops them all at 11,700€ with Wilier’s SLK38KC aero carbon wheels.
![2023 Wilier Granturismo SLR endurance road race bike, c. Bike Connection Agency, photo by Roo Fowler](https://bikerumor.com/wp-content/uploads/2022/12/2023-Wilier-Granturismo-SLR-endurance-road-race-bike_Bike-Connection-Agency_photo-by-Roo-Fowler_Cory-riding-800x480.jpg)