BICYCLE TYPE
In deciding on the most suitable bike for you, it is best to consider what sort of riding you would like to do.
BICYCLE SIZING
Over the years manufacturers have simplified the sizing of bikes into regular categories ; small, medium and large. These sizes combined with adjustments in saddle and handlebar height ensures that the majority of riders are comfortable. For the expert rider, see the specific bike geometry on the product page.
POLYGON SIZE CHART
It is important to determine the correct size of the bike for comfort and better control while cycling.

Stand Up Straight
Stand with your back against the wall, barefoot.

Spread Legs
Spread your legs less than shoulder width apart.

Measure Your Height
Record your height and follow the recommendation table below.
You can also follow the geometry of each bike to get a better size recommendation
MTB FULL SUSPENSION
| MTB FULL SUSPENSION | S | M | L | XL |
| Height(cm) | 152.5-165 | 162.5-175 | 172.5-185 | 182.5-195 |
| 27" (SISKIU N9, SISKIU T8, SISKIU T7, SISKIU D7, SISKIU D6) |
✔ | ✔ | ||
| 29" (SISKIU N9, SISKIU T8, SISKIU T7, SISKIU D7, SISKIU D6) |
✔ | ✔ | ✔ | ✔ |
| SISKIU D5 | ✔ | ✔ | ✔ | |
| RAYZ 3, RAYZ 1 | ✔ |
MTB HARDTAIL
| MTB HARDTAIL | S | M | L | XL |
| Height(cm) | 152.5-165 | 162.5-175 | 172.5-185 | 182.5-195 |
| 27" (SYNCLINE C5, SYNCLINE C3, SYNCLINE C2, XTRADA 7, XTRADA 6, XTRADA 5) |
✔ | ✔ | ||
| 29" (SYNCLINE C5, SYNCLINE C3 , SYNCLINE C2, XTRADA 7, XTRADA 6, XTRADA 5) |
✔ | ✔ | ✔ | |
| PREMIER 5, PREMIER 4 | ✔ | ✔ | ✔ | |
| CASCADE 4, | ✔ | ✔ | ✔ | |
| CASCADE 3 | ✔ | ✔ | ||
| CASCADE 2 | ✔ |
DIRT JUMP
| DIRT JUMP | ALL |
| Height(cm) | 170-185 |
| TRID ZZ | ✔ |
| TRID | ✔ |
BMX
| BMX | ALL |
| Height(cm) | 127-142 |
| RAZOR, RUDGE 3, ROGUE | ✔ |
ROAD
| ROAD | XXS | XS | S | M | L | XL | XXL |
| Height(cm) | 144-154 | 154-164 | 162-170 | 168-176 | 174-181 | 180-187 | 185-195 |
| HELIOS A9X, HELIOS A8X, HELIOS A8, HELIOS A7X, HELIOS A7 |
✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| STRATTOS S8D, STRATTOS S7D | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| STRATTOS S5D, STRATTOS S5, STRATTOS S4, STRATTOS S3, STRATTOS S2 |
✔ | ✔ | ✔ | ✔ | ✔ |
GRAVEL
| GRAVEL | S | M | L | XL |
| Height(cm) | 150-163 | 163-175 | 175-188 | 188-195 |
| PATH X4, PATH X5 | ✔ | ✔ | ✔ | ✔ |
| BEND R5, BEND R2 | ✔ | ✔ | ✔ |
HYBRID
| HYBRID | S | M | L | XL |
| Height(cm) | 155-165 | 165-175 | 175-185 | 185-195 |
| HEIST X7, HEIST X5, HEIST X2 | ✔ | ✔ | ✔ | ✔ |
URBAN
| URBAN | S | M | L | XL | ALL |
| Height(cm) | 150-160 | 160-170 | 170-180 | 180-190 | VARIED |
| PATH 3, PATH 2 | ✔ | ✔ | ✔ | ✔ | |
| SIERRA DELUXE GENT/LADY | ✔ | ✔ | |||
| ZENITH ACTIVE I3, ZENITH TOWN I3 | ✔ | ✔ | |||
| URBANO 5, URABNO 3 | ✔ | ||||
| IMPRESSION AX FRONT | ✔ | ||||
| IMPRESSION AX REAR | ✔ | ||||
| OOSTEN 26 | ✔ | ||||
| OOSTEN 700 | ✔ | ||||
| LOVINA 26 | ✔ | ||||
| CLAIRE 24 | ✔ | ||||
| COASTAL | ✔ | ||||
| ZETA 2 | ✔ | ||||
| ZETA FITTE | ✔ | ||||
| ZETA MIXTE | ✔ |
E-BIKE
| E-BIKE | S | M | L | XL | ALL |
| Height(cm) | 155-165 | 165-175 | 175-185 | 185-195 | 150-170 |
| MT BROMO N8, MT BROMO N7 | ✔ | ✔ | ✔ | ✔ | |
| KALOSI MILES | ✔ | ✔ | ✔ | ✔ | |
| PATH E5 LADY | ✔ | ✔ | |||
| PATH E5 GENT | ✔ | ✔ | ✔ | ||
| GILI VELO, GILI FITTE | ✔ | ||||
| KALOSI LANES EVO HIGH STEP | ✔ | ✔ | ✔ | ||
| KALOSI LANES EVO MID STEP | ✔ | ✔ |
JUNIOR 24"
| JUNIOR 24" | ALL |
| Height(cm) | 127-142 |
| RAPID 24, RELIC 24, XTRADA 24 | ✔ |
JUNIOR 20"
| JUNIOR 20" | ALL |
| Height(cm) | 120-130 |
| RAPID 20, RELIC 20, MAZE 20, XTRADA 20 | ✔ |
JUNIOR 16"-18"
| JUNIOR 16"-18" | ALL |
| Height(cm) | 100-125 |
| CROSSER 16, ALICE 16, CHAMP | ✔ |
JUNIOR 12"
| JUNIOR 12" | ALL |
| Height(cm) | 80-110 |
| CROSSER 12, ALICE 12 | ✔ |
MARIN SIZE CHART

BICYCLE ANATOMY

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