Jamis Laser 20 vs Specialized Sirrus X 3.0

Compare Specifications of Jamis Laser 20 and Specialized Sirrus X 3.0

Selected Bikes

Jamis Laser 20
Jamis Laser 20

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Model:

Specialized Sirrus X 3.0
Specialized Sirrus X 3.0

Brand:

Model:

Brand:

Model:

Brand:

Model:

Technical Specifications
Frame Lightweight 6061 aluminum MX-moto frame design, includes chainguard and kickstand Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, Plug + Play rack/fender mounts
Stem BMX alloy with front facing removable cap, 150mm quill 3D-forged alloy, 31.8mm, 7-degree rise
Handle Bar BMX style, 8D sweep x 125mm rise x 580mm wide with safety bell Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm
Fork Tubular unicrown, MX Hi-Ten, straight blades A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts
Seatpost Pillar, electro-plated black finish, 27.2 x 250mm with 31.8mm alloy clamp Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Grip Kraton with flange Specialized Neutralizer, Body Geometry, locking grip
Crankset Cold-forged steel, electro-plated black finish, 4 1/2” arms, 36T chainring Forged aluminum arms, 24mm spindle, Narrow-wide steel chainring 40t, chainguard
Pedals BMX high-impact resin pedals Specialized Body Geometry Fitness, platform, plastic
Chain KMC Z410 KMC X9, 9-speed w/ Missing Link™
Shifters -- MicroSHIFT SL-M9295, 9-speed
Saddle Jamis BMX Jr Bridge Sport, Steel rails, 155/143mm
Headset Standard threaded type, 22.2mm --
Derailleur Rear -- microSHIFT Advent, 1x9 w/ clutch
Hub Front -- Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h
Hub Rear -- Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h
Spoke -- Stainless, 14g
Cassette -- microSHIFT Advent, 9-speed, 11-42t
Chainrings -- 40T
Bottom Bracket OPC bearing type, VP-B35 Threaded BSA 68mm
Tyres
Front CST Dirt Knobbies, 20 x 2.125” Pathfinder Sport, 700x42
Rear CST Dirt Knobbies, 20 x 2.125” Pathfinder Sport, 700x42
Wheel / RIM Alloy 36H black anodized rims with brushed brake tracks, steel front and Hi-Stop coaster brake rear hubs, 14G nickel-plated spokes 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
Tube -- Standard 40mm PV 700x32-50
Brakes
Front Alloy linear pull type and Hi-stop coaster brake (both rear only) with alloy lever Tektro HD-R280, hydraulic disc, 160 mm rotor
Rear Alloy linear pull type and Hi-stop coaster brake (both rear only) with alloy lever Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Suspension
Front -- --
Rear -- --
Colors Available
Colors Smoke
Cosmo Blue
Gloss Birch / Satin Taupe Reflective
Satin Maroon / Black / Satin Black Reflective
Gloss Metallic Obsidian / Satin Black Reflective


Physical Specs
Length -- --
Weight 10.8 kg 11.4 kg
Overview
Features -- --

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