Dartmoor Bluebird EVO 27.5

Name: Dartmoor Bluebird EVO 27.5
Brand: Dartmoor

2021 MountainTrail Manufacturer page

Travel: 140 / 130 mm Fork / rear shock
Wheels: 27.5″
Drivetrain: 1 × 11 32t / 11–51t
Gear range: 464%
Weight: 15.6 kg 34.4 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 158–170
MD 168–179
LG 176–187

Components

21 of 22 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Aluminum Not identified

Suspension

2 parts

Drivetrain

7 parts

Cassette
- Shimano Deore CS-M5100-11 11 speeds
CS-M5100-11
Chain
- SunRace
Chain guide

None
Crankset
- Shimano Deore FC-M5100 11 speeds
FC-M5100
Front derailleur

None
Rear derailleur
- Shimano Deore RD-M5100 11 speeds
RD-M5100
Shifters
- Shimano Deore SL-M5100
SL-M5100

Brakes

2 parts

Brake levers
- Shimano
Brakes
- Shimano BR-MT410
BR-MT410

Wheels and tires

5 parts

Cockpit and contact points

7 parts

Sizes and geometry

3 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 435mm

Stack 597mm

Wheelbase 1156mm

Head angle 66.0°

Seat angle 74.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 27.5″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 3 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	415	435	465
Stackmm	597	597	597
Top tube lengthmm	590	610	640
Seat tube lengthmm	400	430	460
Head tube lengthmm	110	110	110
Head tube angle	66°	66°	66°
Seat tube angle	74°	74°	74°
Chainstay lengthmm	431	431	431
Wheelbasemm	1136	1156	1166
Front centermm	706	726	736
Bottom bracket dropmm	23	23	23
Bottom bracket heightmm	332	332	332
Standover heightmm	785	785	785
Fork rakemm	32	32	14
Trailmm	123	123	143
Stack/reach ratio	1.44	1.37	1.28

Not published by the manufacturer: Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Bicycle weight: 15.6 kg

34.4 lb

Suspension

Suspension configuration: Full suspension
Front travel: 140 mm
Rear travel: 130 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 32
Largest chainring: 32
Rear sprockets: 11
Smallest sprocket: 11
Largest sprocket: 51
Lowest gear: 17.3 in
Highest gear: 80.0 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Fork spring: Air
Tire width: 2.6″
Wheel material: Aluminum
Wheel size: 27.5″

Technical analysis

4 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

140 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2021
Sample: 1,324 bicycles with this information
Coverage: 98.1% of the class

Lowest gear

17.3 gear inches

This value is below the central range for this class.

Cohort: Mountain / Trail Model year: 2021
Sample: 1,137 bicycles with this information
Coverage: 84.2% of the class

Highest gear

80.0 gear inches

This value is below the central range for this class.

Cohort: Mountain / Trail Model year: 2021
Sample: 1,137 bicycles with this information
Coverage: 84.2% of the class

Shifting

Mechanical

53 of 1,346 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2021
Sample: 1,346 bicycles with this information
Coverage: 99.7% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 6.6 km/h
Highest gear: 30.6 km/h

Total gear range 464%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 17.3–80.0 gear inches
Class reference (p10–p90): 16.9–98.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Trail Model year: 2021
Lowest gear: 1137 bicycles with this information, 84.2% of the class
Highest gear: 1137 bicycles with this information, 84.2% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2021 builds
Specification	This bicycle Dartmoor Bluebird EVO 27.5	Dartmoor Bluebird EVO 29	Dartmoor Bluebird Pro 27.5	Dartmoor Bluebird Pro 29
Frame
Bicycle weight	15.6 kg	15.95 kg	14.9 kg	15.15 kg
Drivetrain
Smallest chainring	32	30	32	30
Largest chainring	32	30	32	30
Rear sprockets	11	11	12	12
Smallest sprocket	11	11	10	10
Lowest gear	17.3 in	17.1 in	17.3 in	17.1 in
Highest gear	80.0 in	79.1 in	88.0 in	87.0 in
Other specifications
Fork spring	Air	Not informed	Air	Air
Tire width	2.6″	2.4″	2.6″	2.4″
Wheel size	27.5″	29″	27.5″	29″

Changes since 2020
Specification	2020 Dartmoor Bluebird EVO 27.5	This bicycle Dartmoor Bluebird EVO 27.5
Frame
Bicycle weight	15.9 kg	15.6 kg
Drivetrain
Rear sprockets	12	11
Largest sprocket	50	51
Lowest gear	17.6 in	17.3 in
Other specifications
Bottom bracket standard	BSA	Not informed