Official sizing guide for 2026
Born in the birthplace of mountain biking, Marin designs bikes with a focus on versatile trail performance and rider confidence. Their MultiTrac suspension and progressive geometry ensure consistent handling across all frame sizes, with reach and stack numbers that scale proportionally to deliver the same ride feel from XS to XL.
| Size | Height Range | Inseam Range |
|---|---|---|
| S | 5'2" - 5'7"(157 - 170 cm) | 28.3" - 30.7"(72 - 78 cm) |
| M | 5'6" - 5'11"(168 - 180 cm) | 30.3" - 32.7"(77 - 83 cm) |
| L | 5'10" - 6'3"(178 - 190 cm) | 32.3" - 34.6"(82 - 88 cm) |
| XL | 6'2" - 6'7"(188 - 200 cm) | 34.3" - 37.0"(87 - 94 cm) |
| Size | Height Range | Inseam Range |
|---|---|---|
| 50 | 5'3" - 5'6"(160 - 168 cm) | 29.1" - 30.7"(74 - 78 cm) |
| 52 | 5'5" - 5'8"(166 - 173 cm) | 30.3" - 31.9"(77 - 81 cm) |
| 54 | 5'7" - 5'11"(171 - 180 cm) | 31.5" - 33.1"(80 - 84 cm) |
| 56 | 5'10" - 6'1"(178 - 186 cm) | 32.7" - 34.3"(83 - 87 cm) |
| 58 | 6'0" - 6'5"(184 - 196 cm) | 33.9" - 36.2"(86 - 92 cm) |
| Size | Height Range | Inseam Range |
|---|---|---|
| XS | 4'12" - 5'4"(152 - 163 cm) | 27.2" - 29.5"(69 - 75 cm) |
| S | 5'3" - 5'7"(161 - 170 cm) | 29.1" - 31.1"(74 - 79 cm) |
| M | 5'6" - 5'10"(168 - 178 cm) | 30.7" - 32.7"(78 - 83 cm) |
| L | 5'9" - 6'2"(176 - 188 cm) | 32.3" - 34.6"(82 - 88 cm) |
| XL | 6'1" - 6'6"(186 - 198 cm) | 34.3" - 36.6"(87 - 93 cm) |
Specific sizing recommendations for Marin's most popular bike models. Geometry measurements shown for reference size (typically M or 54cm).
Trail bike with 130mm MultiTrac suspension and 29-inch wheels. Progressive geometry with modern reach numbers—riders transitioning from older bikes may find they prefer a smaller size in the Rift Zone.
Long-travel enduro bike with 160mm rear and 170mm front travel. Aggressive geometry built for descending—riders should consider reach over standover height when selecting frame size.
Adventure gravel bike with clearance for 45mm tires and multiple mount points for bikepacking. Endurance-oriented geometry with comfortable reach—size as you would for a road bike.
Urban fitness hybrid with flat bars and lightweight aluminum frame. Upright position ideal for commuting and fitness riding—most riders fit true to the height chart.
Use our free calculators to determine your ideal Marin frame size based on your measurements.
Compare sizing across different bike manufacturers to find your perfect fit.