2021 Diamant 135 Base

Design
Swept Back Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Aluminum
Features
Disc brake
Somewhat aggressive stack and reachvs category
Bar type unusual for category
This: Swept Back Bar
Category: Drop Bar
vs category
Somewhat aggressive stack and reachvs category
Bar type unusual for category
This: Swept Back Bar
Category: Drop Bar
vs category
Somewhat aggressive stack and reachvs category
Bar type unusual for category
This: Swept Back Bar
Category: Drop Bar
vs category
Somewhat aggressive stack and reachvs category
Bar type unusual for category
This: Swept Back Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Swept Back Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Swept Back Bar
Category: Drop Bar
vs category

Geometry

48
51
54
57
60
63
Stack
540mm
551mm
565mm
587mm
625mm
655mm
Reach
368mm
373mm
378mm
383mm
393mm
400mm
Stack to Reach Ratio
1.47:1
1.48:1
1.49:1
1.53:1
1.59:1
1.64:1
Seat Tube Length, C-T
440mm
482mm
512mm
543mm
575mm
605mm
Top Tube Length, Effective/Horizontal HT Top
520mm
531mm
543mm
557mm
583mm
603mm
Top Tube Slope
13.4deg
9.8deg
8deg
7deg
7.6deg
7.6deg
Head Tube Angle
69.5deg
70deg
71deg
71.8deg
71.8deg
72.3deg
Seat Tube Angle
74.3deg
74deg
73.8deg
73.5deg
73deg
72.8deg
Head Tube Length
115mm
125mm
140mm
160mm
200mm
230mm
Bottom Bracket Drop
75mm
75mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
293mm
293mm
298mm
298mm
298mm
298mm
Chainstay Length
450mm
450mm
450mm
450mm
450mm
450mm
Chainstay Length Horizontal
443.7mm
443.7mm
444.5mm
444.5mm
444.5mm
444.5mm
Front-Center
602mm
606mm
607.5mm
611.5mm
633.4mm
645.3mm
Front-Center Horizontal
597.3mm
601.3mm
603.5mm
607.5mm
629.5mm
641.5mm
Wheelbase
1041mm
1045mm
1048mm
1052mm
1074mm
1086mm
Fork Offset/Rake
52mm
52mm
52mm
52mm
52mm
52mm
Trail
82.1mm
very high
78.6mm
high
71.7mm
high
66.3mm
high
66.3mm
high
62.9mm
mid/​neutral
Mechanical Trail
76.9mm
73.9mm
67.8mm
62.9mm
62.9mm
59.9mm
Wheel Flop
26.9mm
25.3mm
22.1mm
19.7mm
19.7mm
18.2mm
Standover Height
713mm
741mm
768mm
794mm
826mm
854mm
Tire to Pedal Spindle
64mm
170 mm cranks
68mm
170 mm cranks
69.5mm
170 mm cranks
73.5mm
170 mm cranks
95.4mm
170 mm cranks
107.3mm
170 mm cranks
Pedal Spindle to Ground Clearance
123mm
170 mm cranks
123mm
170 mm cranks
128mm
170 mm cranks
128mm
170 mm cranks
128mm
170 mm cranks
128mm
170 mm cranks

Base Build

48
51
54
57
60
63
Wheel Size
700C/29 in
622 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
700C/29 in
622 mm BSD
Tire Width
57mm
57mm
57mm
57mm
57mm
57mm
Tire Outer Diameter
736mm
736mm
736mm
736mm
736mm
736mm
Bike Length with Tires
1777mm
1781mm
1784mm
1788mm
1810mm
1822mm

Stack and Reach vs. Category Trend

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
Off-road Touring
Source:https://www.diamantrad.com/bike/135-her-s-yl/#bike-data-list