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  Specialized Tarmac Disc 2020
 		Rose Backroad 2020
 		Rose Backroad 2020
 		Octane One Gridd 2019
  Specialized Tarmac Disc
2020: 61
Rose Backroad
2020: 59
Rose Backroad
2020: 62
Octane One Gridd
2019: XL
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Choose Baseline
Reach 485 420 424 419
Stack 641 610 548 527
Top Tube (effective) 500 550 538 516
Seat Tube C-T 612 495 607 531
Head Angle 64 68 66 85
Seat Angle 76 71 60 79
Head Tube 212 144 210
Chainstay 450 506 375 498
Wheelbase 1169 894 1155 1221
Front Centre 717 653 565
Standover 898 866 695
BB Drop 61 87 70 -81
BB Height 234
Fork Rake / Offset 48
Trail 53
Fork Length (A2C) 299 353 396
Seatpost Diameter D-Shape D-Shape
Wheel Size 700c 700c 700c
Tyre Max Width 700x45c, 650bx50 700x45c, 650bx50
Seatpost Length 349
Handlebar Width 353
Stem Length 90
Crank Length 174
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  Specialized Tarmac Disc
2020: 61 		Rose Backroad
2020: 59 		Rose Backroad
2020: 62 		Octane One Gridd
2019: XL
Image showing geometry measurements

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