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Giant Mountain Bikes Size Chart

Size Chart (Rider Height)

Frame XS S M L XL
Fathom
Trance
Reign
5'1"-5'5" 5'4"-5'8" 5'7"-5'11" 5'10"-6'2" 6'2"-6'6"
Trance Jr 26 4'9" - 5'5"

Bike Geometries

Giant Reign / Reign Advanced
Giant Trance / Trance Advanced
Giant Trance 29
Giant Stance

Reign / Reign Advanced

  Small Medium Large X-Large
Wheel Base 1178 1213 1236 1262
Top Tube Length 601 637 657 682
Chain Stay Length 435 435 435 435
Head Tube Length 95 95 115 125
Head Tube Angle 64.5° 64.5° 64.5° 64.5°
Reach 419 454 469 491
Stack 580 580 599 602
BB Drop 7 7 7 7
Seat Tube Angle  72.5° 72.5° 72.5° 72.5°
Standover Height 697.4 715.5 741.3 761.1

Trance / Trance Advanced

  Small Medium Large X-Large
Wheel Base 1129 1160 1183 1209
Top Tube Length 580 610 630 655
Chain Stay Length 435 435 435 435
Head Tube Length 100 105 130 145
Head Tube Angle 67° 67° 67° 67°
Reach 406 435 448 469
Stack 587 591 614 628
BB Drop 15 15 15 15
Seat Tube Angle 73.5° 73.5° 73.5° 73.5°
Standover Height 701 723 768 788

Trance 29

  Small Medium Large X-Large
Wheel Base 1154 1176 1196 1218
Top Tube Length 592 612 632 652
Chain Stay Length 435 435 435 435
Head Tube Length 95 110 110 120
Head Tube Angle 66.5° 66.5° 66.5° 66.5°
Reach 426 442 462 480
Stack 599 613 613 622
BB Drop 35 35 35 35
Seat Tube Angle 74.5° 74.5° 74.5° 74.5°
Standover Height 708 740 761 785

Stance

  X-Small Small Medium Large X-Large
Wheel Base 1110 1130 1151 1174 1195
Top Tube Length 565 585 605 625 645
Chain Stay Length 435 435 435 435 435
Head Tube Length 100 100 105 130 145
Head Tube Angle 67.5° 67.5° 67.5° 67.5° 67.5°
Reach 403 423 441 455 471
Stack 566 566 571 594 608
BB Drop 20 20 20 20 20
Seat Tube Angle 74.0° 74.0° 74.0° 74.0° 74.0°
Standover Height 698 703 727 761 774

Fathom 

  Small Medium Large X-Large
Wheel Base 1110 1131 1153 1174
Top Tube Length 585 605 625 645
Chain Stay Length 425 425 425 425
Head Tube Length 100 110 125 140
Head Tube Angle 67.0° 67.0° 67.0° 67.0°
Reach 411 428 444 460
Stack 588 598 611 625
BB Drop 45 45 45 45
Seat Tube Angle 73.5° 73.5° 73.5° 73.5°
Standover Height 691 731 745 784