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2021 Merida

BIG SEVEN 15

A 27.5″ aluminum frame hardtail crosscountry bike with mid-range components and mechanical disc brakes.

Manufacturer Price

£600
Weight14.5 kg  
FrameAluminum
SuspensionHardtail, 100mm
ForkSuntour XCT
Wheels27.5″ Aluminum
Drivetrain3 × 8
GroupsetTourney, Altus
BrakesMechanical Disc
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Where to Buy

£575

The Bicycle Chain logoThe Bicycle Chain

Big Seven 15 S Silk Gunmetal Grey

Available: SM

£575

The Bicycle Chain logoThe Bicycle Chain

Big Seven 15 XS Silk Gunmetal Grey

Available: XS

£575

The Bicycle Chain logoThe Bicycle Chain

Big Seven 15 XXS Silk Gunmetal Grey

Available: XXS

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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
BIG SEVEN 15
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)

50 km/h

BIG SEVEN 15

44 km/h

Similar Bikes

Highest gear

(descending)

Sizing
XS

151cm – 164cm

SM

159cm – 170cm

MD

165cm – 177cm

LG

171cm – 184cm

🐐 Estimated

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

BIG.SEVEN TFS III, material: aluminium, 27.5x2.25" max. wheelsize, 135x9mm axle standard, BSA bottom bracket standard, MUK 5 Hanger

BB Standard: BSA, Threaded

Fork

Suntour XCT30, Coil, 100mm suspension travel, 27.5x2.25" max. wheelsize

Travel: 100mm

Spring Type: Coil

Bottom Bracket

FSA TH-7420ST-W, Cartridge Bearing

Headset

Merida M2345

Stem

Merida CC, material: aluminium, 690mm width, 15mm rise

Handlebar

Merida CC, material: aluminium, 690mm width, 15mm rise

Saddle

Merida Sport comfort

Seatpost

Merida CC, material: aluminium, 30.9mm diameter, 15mm setback

Type: Rigid

Pedals

VP VPE-891

Groupset
Rear Derailleur

Shimano RD-M310

Front Derailleur

Shimano FD-TY700

Crank

Shimano TY301, 42-34-24 teeth, 170 mm-S, 175 mm-M/XXL

Shifters

Shimano ST-EF505

Cassette

Sunrace CSM668, 11-32 teeth, 8 speed

Chain

Sunrace M84

Brakes

Power DS100

Type: Mechanical Disc

Wheels
Rims

Merida CC, 17mm inner width, material: aluminium

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

Tires

Front: Merida K1080, 27.5x2.2", wire, Rear: Merida K1080, 27.5x2.2", wire

Disc Rotors

Shimano RT10

Rider Notes
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First added 21 September

Last updated 10 April

Not listed for 1,145 days