Polygon SIERRA OOSTEN26 2024
2024 Urban
Estimate price |
519$
Weight | 13.6 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Groupset Tourney, Altus -
Suspension Rigid -
Drivetrain 1 × 8 -
Brakes Rim
Sizing
Recommended size guide.
MD
160cm - 171cm
LG
169cm - 180cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
aluminum
Suspension Fork
HI-TEN STEEL RIGID FORK
Rear Shock
-
Drivetrain
Rear Derailleur
SHIMANO ALTUS RD-M310
Shift Levers
SHIMANO TOURNEY SL-RS47
Cassette
SHIMANO ALTUS CS-HG31 8-SPEED 11-32T
Crank
STEEL CRANK 36T, 165MM
Bottom Bracket
CARTRIDGE BB
Chain
KMC Z-7
Pedals
-
Wheels
Rims
ALLOY DOUBLE WALL RIMS ALLOY HUB 36H
Tires
DELI S-151, 26X1-3/8
Brakes
Brakes
ALLOY V-BRAKE
Cockpit
Handlebar
ALLOY, 620MM
Headset
EXTERNAL THREADED
Seat
Saddle
SELLE ROYAL ONDINA, STEEL RAIL
Seatpost
ALLOY, 27.2X250MM
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | MD | LG |
|---|---|---|
| Stack Reach Ratio | 1.567 mm | 1.49 mm |
| Bottom Bracket Height | 304 mm | 304 mm |
| Front Center | 651 mm | 671 mm |
| Rake | 42 mm | 42 mm |
| Trail | 77 mm | 77 mm |
| Stack | 610 mm | 610 mm |
| Reach | 389.4 mm | 409.4 mm |
| Top Tube Length | 370 mm | 390 mm |
| Seat Tube Angle | 73.5 ° | 73.5 ° |
| Seat Tube Length | 480 mm | 480 mm |
| Head Tube Angle | 69 ° | 69 ° |
| Head Tube Length | 135 mm | 135 mm |
| Chainstay Length | 460 mm | 460 mm |
| Wheelbase | 1106 mm | 1126 mm |
| Bottom Bracket Drop | 50 mm | 50 mm |
| Standover Height | 450 mm | 450 mm |
| Wheels | 26" | 26" |
| Rider Min Height | 160 cm | 169 cm |
| Rider Max Height | 171 cm | 180 cm |