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 |
| Standover Height | 701 mm | 741 mm | 763 mm | 776 mm | 822 mm |
| Wheels | 27" | 27" | 27" | 27" | 27" |
| Rider Max Height | 165 cm | 172 cm | 182 cm | 192 cm | cm |
About this model
BLAST 27 is part of the Bmc Blast model. There are 4 bikes that carry this model name. Take a sneak peek at all Bmc Blast bikes models from 2021, by clicking here.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Crosscountry bikes average price
According to our calculations, the average cost of a Crosscountry bike that is reliable is 1905$. However, even if your budget is less than the average, you might still be able to get a top-quality Crosscountry bike. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Average weight for Crosscountry bikes
On a deeper look, we notice that the average weight of a Crosscountry bike 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.
BLAST 27 weighs 13.46 kg (29.67 lbs) and is a bit heavier than the average. In short, the average Crosscountry bike weight is 8.55% lower than this one.
BLAST 27 components
Fork
The Suntour XCM is included from the factory. It has a travel distance of 100mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Wheels
When it comes to wheels, the BLAST 27 bike is equipped with the 27.5″ aluminum model. 27.5″ wheels will reach higher speeds than smaller-sized wheels. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The BLAST 27 comes with 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, you can ride your bike with confidence.