Polygon Strattos S4D Tiagra Road Bike

The Polygon Strattos S4D Tiagra is a performance-focused road bike designed for riders seeking speed, comfort, and dependable handling across long distances and fast-paced rides. Its lightweight ALX all-round alloy frame, paired with a vibration-damping ACX carbon fork, provides excellent power transfer and stability, making it ideal for endurance cyclists, fitness enthusiasts, and weekend road riders. The balanced geometry ensures confident steering and efficiency on climbs, flats, and descents. Equipped with the Shimano Tiagra 4700/4720 2x10 drivetrain and hydraulic disc brakes.

The Strattos S4D delivers smooth shifting, strong stopping power, and reliable performance in all weather conditions. The wide 700x28C tyres and tubeless-ready rims enhance ride comfort, grip, and rolling efficiency, while the Polygon RD6 Disc wheelset adds durability and confidence for everyday road use. Finished with ergonomic Polygon Sport alloy cockpit components, this bike is built for riders who value dependable performance with modern disc-brake control. The Strattos S4D Tiagra is a versatile and capable choice for training, commuting, and long-distance road adventures.

FEATURES

Lightweight ALX all-round alloy frame designed for efficiency, stability, and everyday road performance

ACX carbon fork delivering precise steering and enhanced vibration dampening on rougher road surfaces

Shimano Tiagra 2x10 drivetrain offering smooth, reliable shifting with a wide gear range for climbs and fast flats

Hydraulic disc braking system ensuring strong, consistent stopping power in both wet and dry conditions

Tubeless-ready rims and 700x28C tyres providing improved comfort, grip, and rolling efficiency

Polygon RD6 Disc wheelset built for durability and confident braking performance

Ergonomic Polygon Sport alloy handlebar, stem, and seatpost for comfort and control during long rides

SIZE GUIDE

S Frame Size 162 to 170cm Height

M Frame Size 168 to 176cm Height

L Frame Size 174 to 181cm Height

XL Frame Size 180 to 187cm Height

SPECIFICATIONS

Frame Material: ALX All-Round

Fork: ACX All-Round

Shifter: Shimano Tiagra ST-R4720, 2x10-speed dual control lever

Crankset: Shimano Tiagra FC-4700, 50/34T

Cassette: Shimano Tiagra CS-HG500, 12–28T

Rear Derailleur: Shimano Tiagra RD-4700-SS, direct attach

Bottom Bracket: Shimano BB-RS501, BSA threaded 68 mm

Saddle: Black, steel Ø 7 mm rails

Seatpost: Polygon Sport Alloy, 27.2 x 350 mm

Handlebar: Polygon Sport Alloy, width 400 mm (XS, S, M) / 420 mm (L, XL), clamp 31.8 mm, rise/drop 124 mm, reach 80 mm

Stem: Polygon OE Alloy, extension 90 mm (XS, S) / 100 mm (M, L) / 110 mm (XL), clamp 31.8 mm, rise/drop 7°

Headset: Zero Stack sealed bearing for tapered head tube, IS 42/28.6 | IS 52/40

Wheelset: Polygon RD6 Disc

Tyres: Performance tyre 700 x 28C

Rims: 622-19, 24H, disc, tubeless-ready, for tyre 622-28/62

Hubs:
Front: Alloy thru-axle 12 x 100 mm, 24H, sealed bearings, 6-bolt
Rear: Alloy thru-axle 12 x 142 mm, 24H, sealed bearings, 6-bolt

Brake Levers: Shimano Tiagra ST-R4720

Brake Calipers: Shimano BR-4770 hydraulic

Rotors: TRP TR-29, 140 mm, 6-bolt