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2023 Centurion

Backfire Comp 50

A 27.5″ / 29″ aluminum frame hardtail crosscountry bike with modest components.
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Weight0.0 lbs (frame)  
FrameAluminum
SuspensionHardtail, 100mm
ForkSuntour XCT
Wheels27.5″ / 29″ Aluminum
Drivetrain2 × 8
GroupsetAcera
BrakesTektro Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Backfire Comp 50
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)

28 mph

Backfire Comp 50

27 mph

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Highest gear

(descending)

Geometry
Specs
Build
Frame

Backfire Comp, Material: Aluminium, Steuerrohr: 1 1/8" straight, Ausfallende: 10x135 mm, Bremsaufnahme: IS/Postmount, Rahmenkennung: 27.5": AFM-A0511-BXXX, 29": AFM-A0531-BXXX

Fork

SR Suntour XCT ATB, pre load adjuster, Federweg: 100 mm, 1 1/8" straight

Travel100mm

Spring TypeCoil

Stem

PROCRAFT Comp II, Winkel: 7°, Länge: 60 mm (XXS), 70 mm (XS), 80 mm (S), 90 mm (M), 100 mm (L)

Handlebar

PROCRAFT Riser Comp, Durchmesser: 31.8 mm, Breite: 680 mm (27.5"), 720 mm (29"), Rise: 25 mm

Saddle

PROCRAFT Sport

Seatpost

PROCRAFT Comp II, Durchmesser: 27.2 mm, Länge: 27.5": 350 mm, 29": 400 mm

TypeRigid

Pedals

VP-899

Groupset
Rear Derailleur

Shimano Acera, RD-M360-SGS, 2x8

Front Derailleur

Shimano FD-M315-TS, Durchmesser: 34.9 mm, top-swing

Crank

Shimano FC-M315-2 36-22T, Länge: 170 mm (27.5"), 175 mm (29")

Shifters

Shimano SL-M315-2L / Shimano SL-M315-8R, mit Ganganzeige

Cassette

Shimano HG31, 11-34T

Chain

KMC Z8.3

Brakes

Tektro HD-M275, organic pads

TypeTektro Hydraulic Disc

Brake Levers

Tektro HD-M275

Wheels
Rims

PROCRAFT JD 200, IW20 mm

Spokes

PROCRAFT stainless 2.0

Front Hub

Shimano HB-TX506 / Shimano FH-TX506, 9x100 mm, 32H, 10x135 mm, 32H

Rear Hub

Shimano HB-TX506 / Shimano FH-TX506, 9x100 mm, 32H, 10x135 mm, 32H

Tires

KENDA Small Block 8, 29/27.5x2.10"

Rider Notes
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First added January 21

Last updated May 18

Not listed for 741 days