Size Chart (Rider Height)
| XS | S | M | L | XL | |
| Reign Reign SX Reign Advanced |
5'2"-5'8" | 5'8"-5'11" | 5'11"-6'2" | 6'2"-6'4" | |
| Trance 2 Trance 3 Trance Advanced |
5'2"-5'5" | 5'5"-5'8" | 5'8"-5'10" | 5'10"-6'3" | 6'2"-6'4" |
Bike Geometries
Giant Reign SX
Giant Reign / Reign Advanced
Giant Trance / Trance Advanced
Giant Full-E+
Giant Reign SX
| Small | Medium | Large | X-Large | |
| Wheel Base | 45.8" | 47.2" | 48" | 49.1" |
| Top Tube Length | 23" | 24.4" | 25.2" | 26.2" |
| Chain Stay Length | 17.1" | 17.1" | 17.1" | 17.1" |
| Head Tube Length | 3.7" | 3.7" | 4.5" | 4.9" |
| Head Tube Angle | 64.5° | 64.5° | 64.5° | 64.5° |
| Reach | 15.9" | 17.28 | 17.83" | 18.7" |
| Stack | 22.83" | 22.83" | 23.54" | 23.7" |
| Seat Tube Angle | 72.5° | 72.5° | 72.5° | 72.5° |
| Standover Height | 27.6" | 28.1" | 29.1" | 29.4" |
Reign / Reign Advanced
| Small | Medium | Large | X-Large | |
| Wheel Base | 45.6" | 46.9" | 47.9" | 48.9" |
| Top Tube Length | 23" | 24.4" | 25.2" | 26.2" |
| Chain Stay Length | 17.1" | 17.1" | 17.1" | 17.1" |
| Head Tube Length | 3.7" | 3.7" | 4.5" | 4.9" |
| Head Tube Angle | 65° | 65° | 65° | 65° |
| Reach | 16.1" | 17.4" | 18.03" | 18.8" |
| Stack | 22.7" | 22.7" | 23.4" | 23.7" |
| Seat Tube Angle | 73° | 73° | 73° | 73° |
| Standover Height | 28.2" | 28.1" | 28.8" | 29.1" |
Trance / Trance Advanced
| X-Small | Small | Medium | Large | X-Large | |
| Wheel Base | 43.7" | 44.4" | 45.7" | 46.6" | 47.6" |
| Top Tube Length | 22" | 22.8" | 24" | 24.8" | 25.8" |
| Chain Stay Length | 17.1" | 17.1" | 17.1" | 17.1" | 17.1" |
| Head Tube Length | 3.9" | 3.9" | 4.1" | 5.1" | 5.7" |
| Head Tube Angle | 67° | 67° | 67° | 67° | 67° |
| Reach | 15.1" | 15.9" | 17.1" | 17.6" | 18.4" |
| Stack | 23.1" | 23.1" | 23.2" | 24.1" | 24.7" |
| Seat Tube Angle | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° |
| Standover Height | 27.4" | 27.6" | 28.5" | 30.2" | 31" |
Giant Full-E+
| Small | Medium | Large | X-Large | |
| Wheel Base | 45.0" | 46.0" | 46.8" | 47.9" |
| Top Tube Length | 22.2" | 23.2" | 24.0" | 25.0" |
| Chain Stay Length | 18.2" | 18.2" | 18.2" | 18.2" |
| Head Tube Length | 4.9" | 4.9" | 5.5" | 6.3" |
| Head Tube Angle | 67.0° | 67.0° | 67.0° | 67.0° |
| Reach | 14.9" | 15.9 | 16.5" | 17.2" |
| Stack | 24.0" | 24.0" | 24.5" | 25.3" |
| Seat Tube Angle | 73.5° | 73.5° | 73.5° | 73.5° |
| Standover Height | 30.2" | 30.3" | 31.7" | 32.8" |
