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2023 Centurion

R' Bock 20

A 20″ aluminum frame general youth bike with mid-range components and tektro hydraulic disc brakes.
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FrameAluminum
SuspensionRigid
Wheels20″ Aluminum
Drivetrain1 × 7
GroupsetTourney, Altus
BrakesTektro Hydraulic Disc
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Insights
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)

15 mph

R' Bock 20

18 mph

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Highest gear

(descending)

Geometry
Specs
Build
Frame

R' Bock 20 II, Material: Aluminium, 20", Steuerrohr: 1 1/8" straight, Ausfallende: 10x135 mm, Bremsaufnahme: IS-mount, Rahmenkennung: FBH002A

Fork

CENTURION Kids rigid 20", 1 1/8" straight

Stem

PROCRAFT Kids, Winkel: 0°, Länge: 50 mm

Handlebar

PROCRAFT Kids Pro, Durchmesser: 25.4 mm, Breite: 500 mm

Saddle

PROCRAFT Kiddy

Seatpost

PROCRAFT Race, Durchmesser: 27.2 mm, Länge: 300 mm

TypeRigid

Pedals

VP 225

Groupset
Rear Derailleur

Shimano Tourney TX, RD-TX800, 1x7

Crank

PROCARFT Kids Comp 28T incl. BG, Länge: 115 mm

Shifters

Shimano Altus, SL-M315-7R, mit Ganganzeige

Cassette

SUNRACE CSM40, 11-34T

Chain

KMC Z7 gray/brown

Brakes

Tektro Junior HD-J285, organic pad

TypeTektro Hydraulic Disc

Brake Levers

Tektro Junior HD-J285

Wheels
Rims

PROCRAFT MPD19, IW 19 mm

Spokes

PROCRAFT stainless 2.0/1.8

Front Hub

PROCRAFT 6-Bolt QR, 9x100, 24H, 10x135 mm, 28H

Rear Hub

PROCRAFT 6-Bolt QR, 9x100, 24H, 10x135 mm, 28H

Tires

KENDA Booster, 20x2.20", fold

Accessories
Bell

PROCRAFT Megaping

Rider Notes
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First added January 21

Last updated May 18

Not listed for 741 days