Merida BIG.SEVEN 20 2021
Bike details
Key information split into simple groups.
Bike summary
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Category
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Frame Aluminum
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Wheels 27.5"
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Travel Front 100mm
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Fork SunTour XCT
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Groupset Acera, Tourney
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Suspension Hardtail
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Drivetrain 3 × 8
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Brakes Hydraulic Disc
Recommended size guide.
XS
151cm - 164cm
SM
159cm - 170cm
MD
165cm - 177cm
LG
171cm - 184cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
BIG.SEVEN TFS III, material: aluminium, 27.5x2.25" max. wheelsize, 135x9mm axle standard, BSA bottom bracket standard
Suspension Fork
Suntour XCT30 HLO, Coil, 100mm suspension travel, Lockout, 27.5x2.25" max. wheelsize
Drivetrain
Rear Derailleur
Shimano RD-M360
Front Derailleur
Shimano FD-TY700
Shift Levers
Shimano ST-EF505
Cassette
Sunrace CSM668, 11-32 teeth, 8 speed
Crank
Shimano TY301, 42-34-24 teeth, 170 mm-XS/S, 175 mm-M/L
Bottom Bracket
FSA TH-7420ST-W, Cartridge Bearing
Chain
Sunrace M84
Wheels
Front Hub
Shimano TX505, 100x9mm width front hub, 32 spoke holes, Centerlock, 135x9mm width rear hub, 32 spoke holes, Centerlock
Rear Hub
Shimano TX505, 100x9mm width front hub, 32 spoke holes, Centerlock, 135x9mm width rear hub, 32 spoke holes, Centerlock
Rims
MERIDA CC, 17mm inner width, material: aluminium
Tires
MERIDA K1080, 27.5x2.2", wire
Brakes
Brakes
Shimano ST-EF505, BR-MT200 brake caliper
Disk Rotors
Shimano RT10, 160 mm
Cockpit
Stem
MERIDA CC, material: aluminium, 31.8mm diameter, 6° stem angle, 70 mm-XS/S, 80 mm-M, 90 mm-L
Handlebar
MERIDA CC, material: aluminium, 690mm width, 15mm rise
Headset
MERIDA M2345
Seat
Saddle
MERIDA Sport comfort
Seatpost
MERIDA CC, material: aluminium, 30.9mm diameter, 15mm setback
Fit data
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG |
|---|---|---|---|---|
| Stack Reach Ratio | 1.5 mm | 1.48 mm | 1.46 mm | 1.43 mm |
| Bottom Bracket Height | 325 mm | 325 mm | 325 mm | 325 mm |
| Front Center | 628 mm | 650 | 671 mm | 692 mm |
| Rake | 41 mm | 42 mm | 43 mm | 42 mm |
| Trail | 93 mm | 91 mm | 90 mm | 91 mm |
| Stack | 554 mm | 568 mm | 582 mm | 596 mm |
| Reach | 369 mm | 385 mm | 400 mm | 416 mm |
| Top Tube Length | 541 mm | 561 mm | 581 mm | 601 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 340 mm | 380 mm | 440 mm | 480 mm |
| Head Tube Angle | 69 ° | 69 ° | 69 ° | 69 ° |
| Head Tube Length | 100 mm | 115 mm | 130 mm | 145 mm |
| Chainstay Length | 421 mm | 421 mm | 421 mm | 421 mm |
| Wheelbase | 1047 mm | 1069 mm | 1090 mm | 1111 mm |
| Bottom Bracket Drop | 30 mm | 30 mm | 30 mm | 30 mm |
| Standover Height | 640 mm | 680 mm | 731 mm | 769 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 151 cm | 159 cm | 165 cm | 171 cm |
| Rider Max Height | 164 cm | 170 cm | 177 cm | 184 cm |
Model Overview
BIG.SEVEN 20 is part of the Merida Bigseven model. Merida launched 161 bikes of this model so far. Check out the entire range from 2021 of this model, by clicking this link.
Model range prices
The most economical model, the Merida BIG.SEVEN 10-MD (3X) 2021 has a starting price of 407$. Merida BIG.SEVEN 80 2021 on the other hand is the most expensive at 1125$.
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
If you want to purchase a solid Crosscountry bike, it is important to know that the average cost is 1905$. However, you could also get a good Crosscountry bike even if you pay a lower amount than the average price. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
This bike was released in 2021 and its price was 730$. If we compare this with the average Crosscountry bike cost we notice that the price is 160.96% smaller.
Average weight for Crosscountry bikes
If we make a quick analysis of the average weight of a Crosscountry bike, we get 12.4 kg (27.34 lbs). An easier bike will give you a big advantage in climbs. However, a heavier bike can gain speed when you descend.
BIG.SEVEN 20 weighs 14.5 kg (31.97 lbs) and is much heavier than the average. To sum up, it’s 16.94% heavier than the average weight of Crosscountry bikes.
BIG.SEVEN 20 components
Fork
The SunTour XCT 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 size
The BIG.SEVEN 20 2021 bike is equipped with 27.5″ aluminum wheels when leaving the factory. 27.5″ wheels will reach higher speeds than smaller-sized wheels. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, these are ideal for anyone.
Sizes
There are 4 sizes available for this model. Rider height can be anywhere between 151 cm – 184 cm (4.95 ft – 6.04 ft). In short, it won’t be difficult to find the right one for you.
