Official sizing guide for 2026
BMC applies their Tuned Compliance Concept (TCC) across every frame size, engineering specific carbon layup schedules so that ride quality and stiffness remain consistent whether you ride a 47 or a 61. Their Swiss-engineered approach uses numeric sizing for road and gravel platforms and letter-based sizing for mountain bikes, with each size receiving independent structural analysis to optimize the balance between lateral rigidity and vertical compliance.
| Size | Height Range | Inseam Range |
|---|---|---|
| 47 | 5'2" - 5'5"(158 - 166 cm) | 28.0" - 29.5"(71 - 75 cm) |
| 51 | 5'5" - 5'8"(164 - 173 cm) | 29.1" - 31.1"(74 - 79 cm) |
| 54 | 5'7" - 5'10"(171 - 179 cm) | 30.7" - 32.7"(78 - 83 cm) |
| 56 | 5'10" - 6'1"(177 - 185 cm) | 32.3" - 34.3"(82 - 87 cm) |
| 58 | 6'0" - 6'3"(183 - 191 cm) | 33.9" - 35.8"(86 - 91 cm) |
| 61 | 6'2" - 6'7"(189 - 200 cm) | 35.4" - 38.2"(90 - 97 cm) |
| Size | Height Range | Inseam Range |
|---|---|---|
| S | 5'2" - 5'6"(158 - 168 cm) | 28.0" - 29.9"(71 - 76 cm) |
| M | 5'5" - 5'10"(166 - 177 cm) | 29.5" - 31.9"(75 - 81 cm) |
| L | 5'9" - 6'2"(175 - 187 cm) | 31.5" - 34.3"(80 - 87 cm) |
| XL | 6'1" - 6'6"(185 - 199 cm) | 33.9" - 37.4"(86 - 95 cm) |
| Size | Height Range | Inseam Range |
|---|---|---|
| 47 | 5'2" - 5'5"(158 - 166 cm) | 28.0" - 29.9"(71 - 76 cm) |
| 51 | 5'5" - 5'9"(164 - 174 cm) | 29.5" - 31.5"(75 - 80 cm) |
| 54 | 5'8" - 5'11"(172 - 180 cm) | 31.1" - 33.1"(79 - 84 cm) |
| 56 | 5'10" - 6'1"(178 - 186 cm) | 32.7" - 34.6"(83 - 88 cm) |
| 58 | 6'0" - 6'4"(184 - 193 cm) | 34.3" - 36.2"(87 - 92 cm) |
| 61 | 6'3" - 6'7"(191 - 200 cm) | 35.8" - 38.2"(91 - 97 cm) |
Specific sizing recommendations for BMC's most popular bike models. Geometry measurements shown for reference size (typically M or 54cm).
Pure race bike with ICS integrated cockpit system and D-shaped seatpost for aero and compliance. The aggressive geometry has low stack—riders coming from endurance bikes may want to consider the Roadmachine instead.
Endurance road bike featuring TCC compliance tuning for all-day comfort. Higher stack and shorter reach than the Teammachine provide a more upright, fatigue-reducing position on long rides.
XC full-suspension race bike with 100mm travel and APS suspension platform. Progressive mountain bike geometry with long reach—riders accustomed to older XC bikes may find their usual letter size has a longer effective cockpit.
Gravel race bike with Micro Travel Technology (MTT) suspension fork providing 20mm of travel. Uses the same numeric sizing as BMC road bikes—select your road size for a familiar fit with added off-road capability.
Trail-oriented full-suspension with 120mm travel front and rear. Longer and slacker than the Twostroke for more aggressive terrain—between sizes, choose the larger frame for improved descending stability.
Use our free calculators to determine your ideal BMC frame size based on your measurements.
Compare sizing across different bike manufacturers to find your perfect fit.