Specialized Sirrus X 3.0 vs Trek Koa 3i

Compare Specifications of Specialized Sirrus X 3.0 and Trek Koa 3i

Selected Bikes

Specialized Sirrus X 3.0
Specialized Sirrus X 3.0

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Trek Koa 3i
Trek Koa 3i

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Technical Specifications
Load Carrying Capacity -- Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, Plug + Play rack/fender mounts Boomerang 6061-T6 aluminum w/ patented Flat Foot Technology
Stem 3D-forged alloy, 31.8mm, 7-degree rise Alloy classic
Handle Bar Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm Electra Cafe
Fork A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts Steel unicrown
Seatpost Alloy, 12mm offset, 2-bolt clamp, 27.2mm Classic alloy pillar
Grip Specialized Neutralizer, Body Geometry, locking grip Custom
Crankset Forged aluminum arms, 24mm spindle, Narrow-wide steel chainring 40t, chainguard Electra custom alloy 3-piece
Pedals Specialized Body Geometry Fitness, platform, plastic Electra retro
Chain KMC X9, 9-speed w/ Missing Link™ KMC S1 nickel plated
Shifters MicroSHIFT SL-M9295, 9-speed Shimano Nexus Revo 3-speed twist with optical gear display
Saddle Bridge Sport, Steel rails, 155/143mm Electra comfort with matching design with double-coil springs
Headset -- 1" steel threaded
Derailleur Rear microSHIFT Advent, 1x9 w/ clutch --
Hub Front Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h Shimano Nexus 3-speed internal with coaster brake, 36h
Hub Rear Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h Shimano Nexus HB-IM40 with roller brake hub, alloy, 36h
Spoke Stainless, 14g --
Cassette microSHIFT Advent, 9-speed, 11-42t 22t
Chainrings 40T 44t steel chainring
Bottom Bracket Threaded BSA 68mm Sealed cartridge
Tyres
Front Pathfinder Sport, 700x42 RetroRunner 26" × 2.125"
Rear Pathfinder Sport, 700x42 RetroRunner 26" × 2.125"
Wheel / RIM 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h Painted alloy
Tube Standard 40mm PV 700x32-50 --
Brakes
Front Tektro HD-R280, hydraulic disc, 160 mm rotor Shimano BR-C3000 roller brake
Rear Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm Shimano coaster brake
Suspension
Front -- --
Rear -- --
Colors Available
Colors Gloss Birch / Satin Taupe Reflective
Satin Maroon / Black / Satin Black Reflective
Gloss Metallic Obsidian / Satin Black Reflective
White


Physical Specs
Length -- --
Weight 11.4 kg 18.86 kg
Overview
Features -- - Flat Foot Technology
- Internal Gear System

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