BMC BLAST 27 2020
2020 Mountain
Estimate price |
799$
Weight | 13.2 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Wheels 27.5" -
Travel Front 100mm -
Fork SunTour XCM
-
Groupset Deore -
Suspension Hardtail -
Drivetrain 1 × 10 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
162cm - 172cm
MD
170cm - 182cm
LG
180cm - 192cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Blast 27", • 1 1/8" Head Tube, • BSA Threaded Bottom Bracket, • 160mm Post Mount, • 9X135mm QR
Suspension Fork
Suntour XCM-LO-DS, 100mm
Drivetrain
Rear Derailleur
Shimano Deore 10 spd
Shift Levers
Shimano Deore 10 spd
Cassette
Shimano Deore 10-46T 10 spd
Crank
Lightweight Forged Alloy Cranks, 32T 1x Specific Narrow Wide chainring, 170mm
Bottom Bracket
BSA, 73mm, threaded
Chain
Shimano CN-HG54
Wheels
Front Hub
Shimano HB-RM35 / FH-RM35
Rear Hub
Shimano HB-RM35 / FH-RM35
Rims
XCD23
Tires
Maxxis Ardent Race 27.5x2.20
Brakes
Brakes
Shimano BR-MT200 / Shimano RT-30 Rotors (160/160)
Cockpit
Stem
BMC MSM03
Handlebar
BMC MRB03 700mm
Seat
Saddle
Velo VL3381
Seatpost
BMC MSP03, 27.2mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.51 mm | 1.47 mm | 1.42 mm | 1.4 mm | 1.36 mm |
| Bottom Bracket Height | 313 mm | 313 mm | 313 mm | 313 mm | 313 mm |
| Front Center | 622 mm | 652 mm | 675 mm | 701 mm | 720 mm |
| Rake | 42 mm | 42 mm | 42 mm | 42 mm | 42 mm |
| Trail | 82 mm | 82 mm | 82 mm | 82 mm | 82 mm |
| Stack | 577 mm | 591 mm | 601 mm | 619 mm | 629 mm |
| Reach | 382 mm | 402 mm | 422 mm | 442 mm | 462 mm |
| Top Tube Length | 555 mm | 583 mm | 607 mm | 632 mm | 651 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 380 mm | 420 mm | 460 mm | 500 mm | 540 mm |
| Head Tube Angle | 70 ° | 70 ° | 70 ° | 70 ° | 70 ° |
| Head Tube Length | 100 mm | 110 mm | 120 mm | 140 mm | 150 mm |
| Chainstay Length | 432 mm | 432 mm | 432 mm | 432 mm | 432 mm |
| Wheelbase | 1050 mm | 1080 mm | 1104 mm | 1130 mm | 1149 mm |
| Bottom Bracket Drop | 42 mm | 42 mm | 42 mm | 42 mm | 42 mm |
| Wheels | 27" | 27" | 27" | 27" | 27" |
| Rider Max Height | 165 cm | 172 cm | 182 cm | 192 cm | cm |
About this model
BLAST 27 completes the Bmc Blast model. BMC released 4 bikes variations of this model so far.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Average price for Crosscountry bikes
Our math shows that the average cost of a dependable Crosscountry bike is 1905$. However, even if your budget is less than the average, you might still be able to get a top-quality Crosscountry bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
When BMC released this model in 2020, its price was 799$. Comparing the average cost of a Crosscountry bike to this one, you will see that BLAST 27 price is 138.42% lower.
Crosscountry bikes average weight
The average weight for Crosscountry bikes is 12.4 kg (27.34 lbs). Having an easier bike than average will give you a great advantage on climbs. However, a heavier bike will gain more speed on descends.
Weighing 13.2 kg (29.1 lbs), the BLAST 27 model is a bit heavier than average. In other words, this model is 6.45% heavier than the average Crosscountry bike.
BLAST 27 components
Fork
This bike has the SunTour XCM fork installed. The fork’s travel is 100mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Wheels
When leaving the production line, the BLAST 27 model has 27.5″ aluminum wheels. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
When you want to stop the bike in time, the brakes are vital. The BLAST 27 has Hydraulic Disc brakes. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, your safety is in good hands.