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2021 BMC

BLAST 27

A 27.5″ hardtail crosscountry bike with upper mid-range components.

Weight13.5 kg  
SuspensionHardtail, 100mm
ForkSuntour XCM
Wheels27.5″ Aluminum
Drivetrain1 × 10
GroupsetDeore
BrakesShimano Hydraulic Disc
View on bmc-switzerland.comLearn about BMC
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
BLAST 27
Other Crosscountry bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

42 km/h

BLAST 27

44 km/h

Similar Bikes

Highest gear

(descending)

Sizing
XS

< 165cm

SM

162cm – 172cm

MD

170cm – 182cm

LG

180cm – 192cm

XL

190cm +

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

Blast 27", • 1 1/8" Head Tube, • BSA Threaded Bottom Bracket, • 160mm Post Mount, • 9X135mm QR

BB Standard: BSA, 73mm, Threaded

Colors: Anthracite; Blue

Fork

Suntour XCM-LO-DS, 100mm

Travel: 100mm

Spring Type: Coil

Bottom Bracket

BSA, 73mm, threaded

Stem

BMC MSM03

Handlebar

BMC MRB03 700mm

Saddle

Velo VL3381

Seatpost

BMC MSP03, 27.2mm

Type: Rigid

Groupset
Rear Derailleur

Shimano Deore 10 spd

Crank

Lightweight Forged Alloy Cranks, 32T 1x Specific Narrow Wide chainring, 170mm

Shifters

Shimano Deore 10 spd

Cassette

Shimano Deore 10-46T 10 spd

Chain

Shimano CN-HG54

Brakes

Shimano BR-MT200 / Shimano RT-30 Rotors (160/160)

Type: Shimano Hydraulic Disc

Wheels
Rims

XCD23

Front Hub

Shimano HB-RM35 / FH-RM35

Rear Hub

Shimano HB-RM35 / FH-RM35

Tires

Maxxis Ardent Race 27.5x2.20

Rider Notes
Riders Also Viewed

First added 27 September

Last updated 26 November

Not listed for 1,645 days