Jamis LASER 20 2025
2025 Youth
Estimate price |
349$
Weight | 11 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Suspension Rigid -
Brakes Coaster
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Lightweight 6061 aluminum MX-moto frame design, includes chainguard and kickstand
Suspension Fork
Tubular unicrown, MX Hi-Ten, straight blades
Drivetrain
Rear Derailleur
N/A
Shift Levers
N/A
Cassette
N/A
Crank
Cold-forged steel, electro-plated black finish, 4 1/2” arms, 36T chainring
Bottom Bracket
OPC bearing type, VP-B35
Chain
KMC C410
Pedals
BMX high-impact resin pedals
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”
Brakes
Brakes
Alloy linear pull type and Hi-stop coaster brake (both rear only) with youth specifc alloy lever
Cockpit
Stem
BMX alloy with front facing removable cap, 150mm quill
Handlebar
BMX style with safety bell
Grips
Kraton with flange
Headset
Standard threaded type, 22.2mm
Seat
Saddle
Jamis BMX Jr.
Seatpost
Pillar, electro-plated black finish, 27.2 x 250mm with 31.8mm alloy clamp
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 11" | 10" | 10" |
|---|---|---|---|
| Bottom Bracket Height | 240 mm | 239 mm | 239 mm |
| Rake | 45 mm | 50 mm | 50 mm |
| Top Tube Length | 455 mm | 455 mm | 463 mm |
| Seat Tube Angle | 70 ° | 70 ° | 70 ° |
| Seat Tube Length | 279 mm | 254 mm | 254 mm |
| Head Tube Angle | 70 ° | 70 ° | 71 ° |
| Head Tube Length | 90 mm | 90 mm | 120 mm |
| Chainstay Length | 385 mm | 385 mm | 385 mm |
| Wheelbase | 882 mm | 887 mm | 887 mm |
| Standover Height | 516 mm | 517 mm | 474 mm |
| Wheels | 20" | 20" | 20" |