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2021 Jamis

LASER 20

A 20″ aluminum frame general youth bike with coaster brakes.
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Manufacturer Price

$359
Weight11.0 kg  
FrameAluminum
SuspensionRigid
ForkSteel
Wheels20″ Aluminum
BrakesCoaster
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Geometry
Specs
Build
Frame

Lightweight 6061 aluminum MX-moto frame design, includes chainguard and kickstand

Fork

Tubular unicrown, MX Hi-Ten, straight blades

Bottom Bracket

OPC bearing type, VP-B35

Headset

Standard threaded type, 22.2mm

Stem

BMX alloy with front facing removable cap, 150mm quill

Handlebar

BMX style with safety bell

Saddle

Jamis BMX Jr.

Seatpost

Pillar, electro-plated black finish, 27.2 x 250mm with 31.8mm alloy clamp

TypeRigid

Pedals

BMX high-impact resin pedals

Grips

Kraton with flange

Groupset
Rear Derailleur

N/A

Crank

Cold-forged steel, electro-plated black finish, 4 1/2” arms, 36T chainring

Shifters

N/A

Cassette

N/A

Chain

KMC C410

Brakes

Alloy linear pull type and Hi-stop coaster brake (both rear only) with youth specifc alloy lever

TypeCoaster

Wheels
Rims

Alloy 36H black anodized rims with brushed brake tracks, steel front and Hi-Stop coaster brake rear hubs, 14G black electroplated spokes

Tires

CST Dirt Knobbies, 20 x 2.125”

Rider Notes
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First added 29 April

Last updated 29 October

Not listed for 1,308 days