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All our frames and forks are tested continually to meet or exceed (in some cases, well exceed) EN standards 14764, 14765, 14766 and 14781 as well as the new ISO 4210 standards. We conduct these tests at our frame manufacturing facilities, but we also use EN accredited testing laboratories such as Intertek and SGS to verify the results of our own tests. If these tests aren’t telling us everything we want to know about our bikes, we increase the loads and cycles, or we determine another way to test. Where current hydraulic testing machines, jigs and hardware aren’t up to the task of emulating some of the forces and impacts our bikes might be subject to, we’ve designed our own.
We relentlessly cycle test for fatigue from pedaling and torsional forces on every single frame size, with deflection tests for stiffness at every point of the frame. Brutal impact tests with massive weights dropped on fixed frames or forks are performed. Then reversed, with weights attached to the frame, the frame hoisted to a given height depending upon product type, then released.
This destructive testing is enormously instructive and important. And it is in continual process. But it’s our ongoing non-destructive testing of frames and forks fresh off the factory floor that’s just as vital.
For our carbon fiber frames, EVERY frame is weighed to make sure it’s neither resin rich nor resin deficient. We also measure the stiffness of each frame in 6 critical areas as a check on lay-up production. Each deflection test must fall within 5% of the standards our machine and field-testing have established. This weighing and stiffness deflection testing guarantees every single frame we produce meets all Jamis manufacturing protocol and will
deliver the ride qualities we defined and demand.
TOP FIVE THINGS YOU NEED TO KNOW
Our lightweight & durable aluminum Laser frame is easier to pedal than steel.
The 20” Laser actually offers two types of brakes: a standard rear coaster brake, which most youngsters are familiar with, and a rear V-brake which many are not. Having the rear coaster brake as a back-up, allows youngsters to get used to hand-braking without going cold-turkey on the coaster brake they are comfortable with.
Our alloy rims are anodized black to provide even greater corrosion and rust resistance than the alloy already possesses. Before wheels are laced and trued, the rim sidewalls are ground to provide a smooth braking surface for the rear V-brake.
We build the Laser 2.0 wheels with 36 spokes in a 3-cross lacing pattern for a strong & durable wheel. Then mount knobby BMX tires that bite in the dirt, but also feature a rounded profile that rolls smoothly on neighborhood streets & driveways.
Every Laser 2.0 offers a kickstand for parking that pride & joy up securely, and a safety bell to announce that the Laser has arrived.
UPGRADES FROM PREVIOUS MODEL
• Redesigned lightweight frame & geometry
• 4.5" crank length
• Grips with flange
|Frame||Lightweight 6061 aluminum MX-moto frame design, includes chainguard and kickstand|
|Fork||Tubular unicrown, MX Hi-Ten, straight blades|
|Headset||Standard threaded type, 22.2mm|
|Wheels||Alloy 36H black anodized rims with brushed brake tracks, steel front and Hi-Stop coaster brake rear hubs, 14G nickel-plated spokes|
|Tires||CST Dirt Knobbies, 20 x 2.125”|
|Crankset||Cold-forged steel, electro-plated black finish, 4 1/2” arms, 36T chainring|
|BB Set||OPC bearing type, VP-B35|
|Pedals||BMX high-impact resin pedals|
|Brakeset||Alloy linear pull type and Hi-stop coaster brake (both rear only) with alloy lever|
|Handlebar||BMX style, 8D sweep x 125mm rise x 580mm wide with safety bell|
|Stem||BMX alloy with front facing removable cap, 150mm quill|
|Grips||Kraton with flange|
|Seatpost||Pillar, electro-plated black finish, 27.2 x 250mm with 31.8mm alloy clamp|
|Saddle||Jamis Jr BMX padded saddle|
|Colors||Gloss Black or Victory Blue|
|SIZE||TOP EFFECTIVE||HEAD ANGLE||SEAT ANGLE||CHAIN STAY||WHEEL BASE||FORK RAKE||BB HEIGHT||HEAD TUBE||STANDOVER|
FIT & SIZING