2026 Specialized Allez Base

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Somewhat upright stack and reachvs category

Very upright stack and reachvs category

Somewhat upright stack and reachvs category

Very upright stack and reachvs category

Somewhat upright stack and reachvs category

Very aggressive stack and reachvs category

Very upright stack and reachvs category

Very aggressive stack and reachvs category

Very upright stack and reachvs category

Somewhat upright stack and reachvs category

Very upright stack and reachvs category

Somewhat upright stack and reachvs category

Stack

519mm

536mm

552mm

569mm

519mm

590mm

536mm

610mm

590mm

610mm

643mm

Reach

356mm

359mm

356mm

364mm

359mm

370mm

386mm

364mm

392mm

370mm

378mm

386mm

378mm

392mm

Stack to Reach Ratio

1.46:1

1.49:1

1.55:1

1.52:1

1.58:1

1.54:1

1.34:1

1.62:1

1.37:1

1.65:1

1.56:1

1.58:1

1.7:1

1.64:1

Seat Tube Length, Unknown

300mm

430mm

350mm

460mm

350mm

550mm

490mm

580mm

510mm

350mm

530mm

350mm

Top Tube Length, Effective/Horizontal Center

493mm

500mm

493mm

530mm

500mm

541mm

569mm

530mm

586mm

541mm

556mm

569mm

556mm

586mm

Top Tube Slope

27.9deg

29.5deg

16.3deg

25deg

14.6deg

26.4deg

-0.8deg

13.5deg

-2deg

13.2deg

28deg

29.5deg

14.3deg

32deg

Head Tube Angle

69.5deg

70.5deg

69.5deg

71deg

70.5deg

72deg

73deg

71deg

73deg

72deg

72.5deg

73deg

72.5deg

73deg

Seat Tube Angle

75.25deg

73.25deg

75.25deg

73.25deg

Head Tube Length

110mm

125mm

123.9mm

140mm

138.3mm

155mm

96.4mm

158mm

116.5mm

176.3mm

175mm

195mm

207.8mm

230mm

Bottom Bracket Drop

77mm

76mm

74.5mm

77mm

74.5mm

76mm

74.5mm

76mm

74.5mm

Bottom Bracket Height

303mm

264mm

303mm

264mm

304mm

266.5mm

264mm

266.5mm

265mm

304mm

305.5mm

265mm

305.5mm

Chainstay Length

420mm

425mm

420mm

425mm

Chainstay Length Horizontal

412.9mm

418mm

412.9mm

418.2mm

418.4mm

418mm

418.4mm

418.2mm

418.4mm

418.2mm

418.4mm

Front-Center

576mm

577mm

576mm

583mm

577mm

585mm

603mm

583mm

619mm

585mm

594mm

603mm

594mm

619mm

Front-Center Horizontal

571.1mm

577mm

571.1mm

579.9mm

598.6mm

577mm

614.6mm

579.9mm

589.9mm

598.6mm

589.9mm

614.6mm

Wheelbase

984mm

995mm

984mm

998mm

1017mm

995mm

1033mm

998mm

1008mm

1017mm

1008mm

1033mm

Fork Offset/Rake

47mm

35.2mm

47mm

35.7mm

47mm

73.3mm

34.4mm

77.9mm

34.6mm

47mm

31.6mm

47mm

Fork Length, Unknown

378mm

Trail

91.9mm

very high

84.7mm

very high

90mm

very high

81.1mm

very high

82.9mm

very high

74.1mm

high

27.6mm

very low

81mm

very high

22.8mm

very low

74.5mm

high

70.5mm

high

67mm

high

74.4mm

high

67mm

high

Mechanical Trail

86.1mm

79.9mm

84.3mm

76.7mm

78.1mm

70.4mm

26.4mm

76.6mm

21.8mm

70.8mm

67.3mm

64.1mm

71mm

64.1mm

Wheel Flop

30.2mm

26.7mm

29.5mm

25mm

26.1mm

21.8mm

7.7mm

24.9mm

6.4mm

21.9mm

20.2mm

18.7mm

21.4mm

18.7mm

Standover Height

715mm

739mm

715mm

761mm

739mm

781mm

821mm

761mm

852mm

781mm

801mm

821mm

801mm

852mm

Tire to Pedal Spindle

31mm

165 mm cranks

32mm

165 mm cranks

70mm

165 mm cranks

33mm

170 mm cranks

71mm

165 mm cranks

32.5mm

172.5 mm cranks

87mm

175 mm cranks

72mm

170 mm cranks

103mm

175 mm cranks

71.5mm

172.5 mm cranks

41.5mm

172.5 mm cranks

48mm

175 mm cranks

80.5mm

172.5 mm cranks

64mm

175 mm cranks

Pedal Spindle to Ground Clearance

138mm

165 mm cranks

138mm

165 mm cranks

99mm

165 mm cranks

133mm

170 mm cranks

99mm

165 mm cranks

131.5mm

172.5 mm cranks

91.5mm

175 mm cranks

94mm

170 mm cranks

91.5mm

175 mm cranks

92.5mm

172.5 mm cranks

131.5mm

172.5 mm cranks

130.5mm

175 mm cranks

92.5mm

172.5 mm cranks

130.5mm

175 mm cranks

Wheel Size

700mm BSD

700 mm BSD

700mm BSD

700 mm BSD

700C/29 in

622 mm BSD

700mm BSD

700 mm BSD

700C/29 in

622 mm BSD

700mm BSD

700 mm BSD

700C/29 in

622 mm BSD

700C/29 in

622 mm BSD

700C/29 in

622 mm BSD

700C/29 in

622 mm BSD

700mm BSD

700 mm BSD

700mm BSD

700 mm BSD

700C/29 in

622 mm BSD

700mm BSD

700 mm BSD

Tire Width

30mm

Tire Width Max

—

35mm

—

35mm

—

35mm

—

35mm

—

Tire Outer Diameter

760mm

682mm

760mm

682mm

760mm

682mm

760mm

682mm

760mm

Bike Length with Tires

1744mm

1666mm

1755mm

1666mm

1758mm

1699mm

1677mm

1715mm

1680mm

1768mm

1777mm

1690mm

1793mm

Crank Length

165mm

170mm

165mm

172.5mm

175mm

170mm

175mm

172.5mm

175mm

172.5mm

175mm

Handlebar Width

360mm

380mm

360mm

400mm

380mm

420mm

440mm

400mm

440mm

420mm

440mm

420mm

440mm

Stem Length

70mm

80mm

70mm

90mm

80mm

100mm

110mm

90mm

110mm

100mm

110mm

100mm

110mm

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale

Category Trend

Endurance Road

Source:https://www.specialized.com/gb/en/allez-comp-shimano-105/p/4221810?color=5444471-4221810, https://www.specialized.com/us/en/allez/p/4221808?color=5444474-4221808

Suggest Bike Edit

2026 Specialized Allez Base

Geometry

Base Build

Stack and Reach vs. Category Trend