KEY FEATURES
The Siablo GR is best suited to on-road and light off-road use.
Yes, the Siablo GR has an 18mm kickstand mount. Compatible with the Speedkit Kickstand CL-KA98 on Speedlab.
Yes, the maximum clearance is 1.8".
The derailleur low gear capacity is 28T.
The Siablo GR has mechanical disc brakes.
The Siablo GR has a maximum tyre clearance of 45C.
Siablo GR's frame is manufactured from hydro formed, butted 6061 alloy tubing making for a very strong frame. For this kind of application - a gravel frame, a strong aluminium frame is a reliable choice. Hydro forming is a process to shape alloy tubing from the inside, using pressurized water and/or oil into a negative mold cavity resulting in stronger thin wall tubing.
The SBC Fork has all-round performance, while retaining absolute functionality. Equipped with fender mounts to protect both rider and components from unwanted debris spray in wet conditions. Fitted with bottle bosses on both stanchions, it greatly increases hydration capacity of the frameset. The bosses also double up as pannier mounts to increase load capacity of the Siablo GR.
Siablo GR is a stand alone gravel focused frame with unique geometry. The frame is designed to deal with the demands of the modern gravel enthusiast.
The wheelbase of the frameset is semi-short to retain a trail capable bike, with good weight distribution under load. A slack head angle makes for a terrain capable front end that will roll challenging obstructions. The steeper seat angle aids in ascending more efficiently, with better power transfer at variable gradient increase. The GR is super capable and wants to be challenged.
Internal routing keeps the cockpit neat and cables out of harm's way. Also full length housing internal cables have less chance s of dirt ingression, keeping maintenance down.
Thru-axles effectively bolt the wheel to the frame or fork. By comparison, QR systems only slot in place, and compress the dropout to retain the wheel. The increased strength and stiffness of thru-axles can be attributed to both the increase in effective engagement area and the fixing mechanism to the dropout. The thru-axle system is significantly safer, with fewer points for potential failure.
The SBC Fork has all-round performance, while retaining absolute functionality. Equipped with fender mounts to protect both rider and components from unwanted debris spray in wet conditions. Fitted with bottle bosses on both stanchions, it greatly increases hydration capacity of the frameset. The bosses also double up as pannier mounts to increase load capacity of the Siablo CF.
Siablo GR features mechanical cable actuated disc brakes. Disc brakes offer all-weather performance, great modulation
| Crankset | Shimano FC-RS510, 50x34t |
| Cassette | Shimano 105 CS-5800 11-28t, 11 Speed |
| Rear Der | Shimano 105 RD-5800, Short Cage, 11 Speed |
| Front Der | Shimano 105 FD-5800 |
| Shifters | Shimano 105 ST5800 |
| Bottom Bracket | BSA |
| Fork | Silverback Advanced Dynamics Carbon Fork, 12mm Thru Axle Dropouts, Disc Mount |
| Hubs | Alex Rims Bear Pawls BRD |
| Rims | Stan's Grail S1 700c |
| Tyres | WTB Riddler 45c, DNA Compound, 60Tpi, Aramid Bead |
| Seatpost | Surface Aluminium, Black |
| Saddle | Surface Ergo, Carbon Fiber Base |
| Handlebar | Surface Alloy Handlebar, Dia:31.8mm, Reach: 70mm, Drop: 120mm |
| Stem | Surface Alloy Stem, 31.8mm, Rise 7° |
| Frame | Silverback Engineered Custom Triple Butted 6061 Aluminium Tapered 1-1/8"-1.5" Headtube, Integrated Headset, 12mm Thru Axle Dropouts, Flat Mount Disc Mounts |
| Brake set | Shimano 105 ST5800 |
| Weight | 10.38kg (Medium Frame, with tubes, without pedals) |
| Weight Limit | 125kg - combined weight of bike and rider (including all kit). |
Disclaimer: Due to the nature of bike manufacturing, specification, finishes and price may be subject to change without prior written notification.
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