VelopediaBicycle Archive · Specification report

2026 Polygon SISKIU T6 with UDH

Velopedia Archive ID 900001775

Overview

Model year2026
BrandPolygon
ModelSISKIU T6 with UDH
Bicycle typeMountain
Archive ID900001775
Original MSRP$1,699.00
ColorsBlue / Green
SizesS; M; L; XL

Frameset

Frame constructionALX Trail 140mm Travel
Frame materialAluminum
ForkRockShox Recon Silver-RL 140mm Travel
Rear shockXfusion O2 Pro R, E2E: 210x55mm, M8X25mm for Both Sides

Drivetrain

ShiftersShimano Cues SL-U6000, 1X10-Speed Trigger
Rear derailleurShimano Cues RD-U6000-GS Direct Attach
CranksetSamox RAC61C-018S-C55, 32T
Bottom bracketSamox 2-Piece Crankset BSA Threaded
CassetteShimano Cues CS-LG300-10, 11-48T
ChainKMC Xglide
PedalsAlloy Flat Pedal W/ Replaceable PIN & Reflector

Brakes

BrakesShimano Hydraulic Disc Brakes; Levers: Shimano BL-MT200; Rotors: Shimano SM-RT10, 180mm Center-Lock

Cockpit & contact points

HeadsetFSA no.57E for Taper H/T, ZS 44/28.6 | ZS 56/40
HandlebarPOLYGON EXPERT, W: 780mm, BB: 35mm, R/D: 30mm, B: 9degree
StemPOLYGON EXPERT, EXT: 35mm, BB: 35mm, R/D: 0degree
SaddleLinc Xtent, CR-MO Ø 7mm
SeatpostDropper Post Xfusion Manic LC 150mm (S, M) / 170mm (L, XL) Travel, DXL: 30.9X429mm (S, M) / 473mm (L, XL)

Wheels & tires

HubsF: Shimano HB-TC500-15-B Thru Axle 15x110mm 32H Center-Lock / R: Shimano FH-MT400-B Thru Axle 12x148mm 32H Center-Lock
WheelsPolygon MT6
Rims584 / 622-29 32H for Tyre 584 / 622-54/76 W/ Tubeless Ready RIM Tape
Front tireMaxxis Dissector 29"X2.40"
Rear tireMaxxis Dissector 29"X2.40"

Geometry · S

Seat tube390 mm
Effective top tube568 mm
Head tube90 mm
Head-tube angle64.5°
Seat-tube angle77°
Actual seat-tube angle71.2°
Chainstay / rear center430 mm
Wheelbase1186 mm
Bottom-bracket drop39 mm
Bottom-bracket height337.5 mm
Reach440 mm
Stack604 mm
Standover height704 mm

Geometry · M

Seat tube400 mm
Effective top tube595 mm
Head tube95 mm
Head-tube angle64.5°
Seat-tube angle77°
Actual seat-tube angle71.2°
Chainstay / rear center430 mm
Wheelbase1214 mm
Bottom-bracket drop39 mm
Bottom-bracket height337.5 mm
Reach465 mm
Stack609 mm
Standover height705 mm

Geometry · L

Seat tube415 mm
Effective top tube619 mm
Head tube110 mm
Head-tube angle64.5°
Seat-tube angle77°
Actual seat-tube angle71.2°
Chainstay / rear center430 mm
Wheelbase1240 mm
Bottom-bracket drop39 mm
Bottom-bracket height337.5 mm
Reach485 mm
Stack622 mm
Standover height713 mm

Geometry · XL

Seat tube430 mm
Effective top tube644 mm
Head tube125 mm
Head-tube angle64.5°
Seat-tube angle77°
Actual seat-tube angle71.2°
Chainstay / rear center430 mm
Wheelbase1267 mm
Bottom-bracket drop39 mm
Bottom-bracket height337.5 mm
Reach505 mm
Stack636 mm
Standover height723 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 15, 2026.