Polygon Siskiu D7 Full Suspension 29" MTB

The Polygon Siskiu D7 is a versatile full-suspension trail mountain bike designed for riders who want confident handling, smooth suspension, and reliable performance on varied terrain. Built with an ALX XC Trail alloy frame and modern trail geometry, it balances efficient climbing with stable descending, making it ideal for those progressing their off-road skills or exploring challenging singletrack.

A RockShox Recon Silver RL 120mm fork pairs with a RockShox Deluxe Select Plus rear shock to deliver responsive, controlled suspension that improves traction and comfort on roots, rocks, and technical features. The Shimano Deore 1x11 drivetrain provides wide-range gearing with crisp, dependable shifting, while Shimano hydraulic disc brakes ensure powerful stopping performance in all conditions.

With a TranzX 150mm dropper post, durable alloy wheels, and 2.25” performance tyres, the Siskiu D7 offers excellent grip, stability, and control. Perfect for weekend trail rides or daily mountain bike adventures, it delivers dependable capability and balanced trail performance.

FEATURES

ALX XC Trail alloy frameset engineered for durability, balanced geometry, and efficient power transfer on technical trails

RockShox Recon Silver RL 120mm fork providing adjustable and responsive suspension performance

RockShox Deluxe Select Plus rear shock delivering smooth damping and improved control over rough terrain

Shimano Deore 1x11 drivetrain offering wide-range gearing and dependable shifting for climbs and descents

Shimano hydraulic disc braking system paired with Boost rear spacing for strong, consistent stopping power

Durable alloy double-wall wheelset and performance 2.25" tyres enhancing traction, comfort, and rolling efficiency

150mm TranzX dropper post and Polygon Xpert alloy cockpit for improved control on climbs and technical descents

SIZE GUIDE

M Frame Size 165 to 175cm Height

L Frame Size 175 to 185cm Height

XL Frame Size 185 to 195cm Height

SPECIFICATIONS

Frame Material: ALX XC Trail Frame

Fork: RockShox Recon Silver RL, 120 mm travel

Rear Shock: RockShox Deluxe Select Plus, E2E 190 x 45 mm

Shifter: Shimano Deore, 1x11-speed trigger

Crankset: 170 mm, 32T

Cassette: Shimano, 11–50T

Rear Derailleur: Shimano Deore, 11-speed

Bottom Bracket: Threaded, 68/73 mm

Chain: KMC chain

Pedals: Alloy cage pedal with reflector

Saddle: Linc Void Saddle

Seatpost: TranzX dropper, 150 mm travel

Handlebar: Polygon Xpert Alloy

Stem: Polygon Xpert Alloy

Headset: Threadless Zero Stack, ZS 44/28.6 | ZS 56/40

Wheelset: Alloy double wall

Tyres: Performance tyre 29" x 2.25"

Rims: Alloy double wall, 584 / 622-30, 32H, for tyre 584 / 622-54/76

Hubs:
Front: Shimano HB-MT400, thru-axle 15 x 100 mm, 32H, Center-Lock
Rear: Shimano FH-MT400, thru-axle 12 x 148 mm, 32H, Center-Lock

Brake Levers: Shimano hydraulic lever

Brake Calipers: Shimano hydraulic disc

Rotors: Shimano SM-RT10, Front 180 mm / Rear 160 mm, Center-Lock