Jamis Boss 7 Step-Over vs Specialized Sirrus X 3.0

Compare Specifications of Jamis Boss 7 Step-Over and Specialized Sirrus X 3.0

Selected Bikes

Jamis Boss 7 Step-Over
Jamis Boss 7 Step-Over

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Model:

Specialized Sirrus X 3.0
Specialized Sirrus X 3.0

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Model:

Brand:

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Technical Specifications
Frame Diamond frame design with 6061 aluminum oversized tubing, sloping top tube design, water bottle bosses, alloy kickstand, and painted steel chainguard Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, Plug + Play rack/fender mounts
Stem Alloy hi-rise, 180mm quill, 100mm extension, with removeable 2-bolt cap 3D-forged alloy, 31.8mm, 7-degree rise
Handle Bar Jamis Cruise-control comfort bar Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm
Fork Oversized hi-tensile steel tubular unicrown with leading dropout and fender boss A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts
Seatpost Alloy micro-adjust, 27.2 x 300mm, with 31.8mm alloy clamp and cromo seatpin Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Grip -- Specialized Neutralizer, Body Geometry, locking grip
Crankset Forged alloy crank, 170mm alloy, with 44T compact disc chainring Forged aluminum arms, 24mm spindle, Narrow-wide steel chainring 40t, chainguard
Pedals Cruiser platform with grip tape Specialized Body Geometry Fitness, platform, plastic
Chain KMC Z51NP, silver KMC X9, 9-speed w/ Missing Link™
Shifters Shift levers : Shimano RevoShift RS-35, 7-speed MicroSHIFT SL-M9295, 9-speed
Saddle Boss Cruiser design with extra padding and heavy-duty, double-loop springs Bridge Sport, Steel rails, 155/143mm
Headset Internal cup, threaded, 1 1/8” --
Derailleur Rear Shimano TY-300 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 14 gauge stainless steel spokes Stainless, 14g
Cassette Shimano, 14-28, 7- Speed microSHIFT Advent, 9-speed, 11-42t
Chainrings -- 40T
Bottom Bracket Sealed cartridge, 68 x 122.5mm Threaded BSA 68mm
Tyres
Front CST Metropolitan Palm Bay, 26" x 2.35 Pathfinder Sport, 700x42
Rear CST Metropolitan Palm Bay, 26" x 2.35 Pathfinder Sport, 700x42
Wheel / RIM Alex Y303 36H black anodized alloy rims with alloy nutted hubs 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
Tube -- Standard 40mm PV 700x32-50
Brakes
Front Tektro alloy linear pull brake with Tektro CL530 alloy levers Tektro HD-R280, hydraulic disc, 160 mm rotor
Rear Tektro alloy linear pull brake with Tektro CL530 alloy levers Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Suspension
Front -- --
Rear -- --
Colors Available
Colors Blue Lagoon
Raspberry
Vanilla Mint
Gloss Birch / Satin Taupe Reflective
Satin Maroon / Black / Satin Black Reflective
Gloss Metallic Obsidian / Satin Black Reflective


Physical Specs
Length -- --
Weight 14.9 kg 11.4 kg
Overview
Features -- --
Additional Details Sizes : M: 17”, 19”, 21”, 23” S/O: 14”, 18” --

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