Velopedia Bicycle Archive

2015 Trek Silque SLX

Original specifications: Shimano Ultegra drivetrain · 700c wheels.

Share owner experience

Selling this bike? Create a shareable bike record

Image not available

At a glance

Model year
2015
Category
Road
Original MSRP
$3,779.99
Sizes
44, 47, 50, 52, 54, 56cm WSD
Colors
Seeglass Blue Ink/Crystal White/Trek Cyan
In this record
21 specifications · original MSRP
Archive ID
1211141
Model history 1 other year
Original buildCarbon Fiber · Shimano Ultegra · 700c

Manufacturer catalog

Published sizes and colors

6 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

444750525456cm WSD

Published colors

Seeglass Blue Ink/Crystal White/Trek Cyan

Frameset

Frame Construction600 Series OCLV Carbon, WSD-tuned IsoSpeed, E2, BB90, performance cable routing, 3S chain keeper, DuoTrap compatible, Ride Tuned seatmast
Frame MaterialCarbon Fiber
ForkTrek full carbon road, E2 asymmetric steerer
Fork MaterialCarbon Fiber

Drivetrain

Component GroupShimano Ultegra
ShiftersShimano Ultegra, 11 speed
Front DerailleurShimano Ultegra, braze-on
Rear DerailleurShimano Ultegra
CranksetShimano Ultegra, 50/34 (compact)
Rear CogsShimano Ultegra 11-28, 11 speed
ChainShimano Ultegra

Brakes

BrakesShimano Ultegra

Cockpit & Contact Points

HeadsetIntegrated, cartridge bearings, sealed, 1-1/8" top, 1.5" bottom
HandlebarBontrager Race X Lite IsoZone, OCLV Carbon, VR-SF shallow drop, 31.8mm
StemBontrager Race X Lite, 31.8mm, 7 degree
SaddleBontrager Affinity 2 WSD
SeatpostBontrager Ride Tuned Carbon seatmast cap, 20mm offset

Wheels & Tires

HubsBontrager Race Tubeless Ready
RimsBontrager Race Tubeless Ready
Front TireBontrager R3 Hard-Case Lite, 700x23c
Wheel Size700c

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

Published build50/34T · 11–28T · 11-speed
Lowest1.21:1 Highest4.55:1 Total range374%
Campaign

Parts & serviceability

Find replacement parts

Original specifications
Cassette / rear cogs · Original
Shimano Ultegra 11-28, 11 speed Search: Shimano Ultegra 11-28, 11 speed cassette
Front tire · Original
Bontrager R3 Hard-Case Lite, 700x23c
Saddle · Original
Bontrager Affinity 2 WSD
More parts (6)
Crankset · Original
Shimano Ultegra, 50/34 (compact)
Front derailleur · Original
Shimano Ultegra, braze-on Search: Shimano Ultegra 11-speed front derailleur Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Rear derailleur · Original
Shimano Ultegra Search: Shimano Ultegra 11-speed rear derailleur Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Shifters · Original
Shimano Ultegra, 11 speed Search: Shimano Ultegra, 11 speed shifter Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Handlebar · Original
Bontrager Race X Lite IsoZone, OCLV Carbon, VR-SF shallow drop, 31.8mm
Stem · Original
Bontrager Race X Lite, 31.8mm, 7 degree

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases.

Campaign
Bike-specific inspection checklist 20 checks based on 5 archived component groups Open checklistClose checklist
0 of 20 checked Progress stays in this browser for this bike.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2015 Trek Silque SLX · Road Double · Published sizes: 44, 47, 50, 52, 54, 56cm WSD

Archived: Frame: 600 Series OCLV Carbon, WSD-tuned IsoSpeed, E2, BB90, performance cable routing, 3S chain keeper, DuoTrap compatible, Ride Tuned seatmast · Fork: Trek full carbon road, E2 asymmetric steerer · Carbon Fiber

Archived: Group: Shimano Ultegra · Shifters: Shimano Ultegra, 11 speed · Front derailleur: Shimano Ultegra, braze-on · Rear derailleur: Shimano Ultegra · Crankset: Shimano Ultegra, 50/34 (compact) · Rear cogs: Shimano Ultegra 11-28, 11 speed · Chain: Shimano Ultegra

Archived: Brakes: Shimano Ultegra

Archived: Wheel size: 700c · Rims: Bontrager Race Tubeless Ready · Hubs: Bontrager Race Tubeless Ready · Front tire: Bontrager R3 Hard-Case Lite, 700x23c

Controls and contact points

Archived: Headset: Integrated, cartridge bearings, sealed, 1-1/8" top, 1.5" bottom · Handlebar: Bontrager Race X Lite IsoZone, OCLV Carbon, VR-SF shallow drop, 31.8mm · Stem: Bontrager Race X Lite, 31.8mm, 7 degree · Seatpost: Bontrager Ride Tuned Carbon seatmast cap, 20mm offset · Saddle: Bontrager Affinity 2 WSD

Before and during the test ride

Follow the full used-bike inspection order →

My Garage

Velopedia

Enter your email and Velopedia will send a private sign-in link. No password required.

Have you owned this bike?Help document firsthand fit, ride and maintenance details that may no longer be available.

This archive record has limited published detail. Share what would help another rider understand how this model fit, rode and held up over time. Velopedia reviews every contribution before publication.

Add fit, maintenance and buyer detailsOptional · five additional fields

Your contribution goes directly to Velopedia’s private review queue. We’ll email an optional confirmation link plus a private edit and withdrawal link, but you do not need to confirm your email before an administrator can review or approve the submission.

Already contributed? Send me a fresh private edit link

For privacy, Velopedia shows the same confirmation whether or not an experience exists.

Checking current listings…

Campaign

Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

Scroll to Top