Velopedia Bicycle Archive
2015 Trek Skye S 26
Original specifications: Shimano Altus · 8-speed rear derailleur · 26 wheels.
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At a glance
- Model year
- 2015
- Category
- Mountain
- Original MSRP
- $499.99
- Sizes
- 13, 16, 19.5"
- Colors
- Seeglass Sangria, Seeglass Bright Silver
- In this record
- 22 specifications · 2 archived images · original MSRP
- Archive ID
- 1312477
Original buildAluminum · Mountian mix · 26
Frameset
| Frame Construction | WSD Alpha Silver Aluminum w/semi-integrated head tube, rack & fender mounts |
|---|---|
| Frame Material | Aluminum |
| Fork | SR Suntour XCT, WSD Rider Right coil spring, preload, 80mm travel |
| Fork Material | Suspension |
Drivetrain
| Component Group | Mountian mix |
|---|---|
| Shifters | Shimano Altus EF51, 8 speed |
| Front Derailleur | Shimano Altus |
| Rear Derailleur | Shimano Altus M280 |
| Crankset | Shimano M131, 42/34/24 |
| Rear Cogs | Shimano HG31 11-32, 8 speed |
| Chain | KMC Z51 |
| Pedals | Wellgo nylon platform |
Brakes
| Brakes | Tektro alloy linear-pull, Shimano Altus levers |
|---|
Cockpit & Contact Points
| Headset | 1-1/8" threadless |
|---|---|
| Handlebar | Bontrager Riser, 25.4mm, 30mm rise |
| Stem | Bontrager Approved, 25.4mm, 40 degree |
| Saddle | Bontrager SSR WSD |
| Seatpost | Bontrager SSR, 2-bolt head, 31.6mm, 12mm offset |
Wheels & Tires
| Hubs | Formula FM21 alloy, Formula FM32 alloy |
|---|---|
| Rims | Bontrager AT-650 32-hole double-walled |
| Front Tire | Bontrager LT3, 26x2.0" |
| Wheel Size | 26 |
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts

SRAM PC-850 Chain One Color, 8 Speed
8 Speed
Replacement option · verify fit
More parts (6)
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Bike-specific inspection checklist 20 checks based on 6 archived component groups Open checklistClose checklist
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.
Identity and fit
Follow the full used-bike inspection order →Archived: 2015 Trek Skye S 26 · Mountain Hardtail · Published sizes: 13, 16, 19.5"
Frame and fork
Inspect the frame and fork →Archived: Frame: WSD Alpha Silver Aluminum w/semi-integrated head tube, rack & fender mounts · Fork: SR Suntour XCT, WSD Rider Right coil spring, preload, 80mm travel · Suspension
Suspension
Evaluate the suspension →Archived: Fork: SR Suntour XCT, WSD Rider Right coil spring, preload, 80mm travel
Drivetrain
Check drivetrain wear →Archived: Group: Mountian mix · Shifters: Shimano Altus EF51, 8 speed · Front derailleur: Shimano Altus · Rear derailleur: Shimano Altus M280 · Crankset: Shimano M131, 42/34/24 · Rear cogs: Shimano HG31 11-32, 8 speed · Chain: KMC Z51
Brakes
Inspect the brakes →Archived: Brakes: Tektro alloy linear-pull, Shimano Altus levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26 · Rims: Bontrager AT-650 32-hole double-walled · Hubs: Formula FM21 alloy, Formula FM32 alloy · Front tire: Bontrager LT3, 26x2.0"
Controls and contact points
Archived: Headset: 1-1/8" threadless · Handlebar: Bontrager Riser, 25.4mm, 30mm rise · Stem: Bontrager Approved, 25.4mm, 40 degree · Seatpost: Bontrager SSR, 2-bolt head, 31.6mm, 12mm offset · Saddle: Bontrager SSR WSD · Pedals: Wellgo nylon platform
Before and during the test ride
Follow the full used-bike inspection order →Have you owned this bike?Help document firsthand fit, ride and maintenance details that may no longer be available.
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Gallery2 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.


