Velopedia Bicycle Archive
2015 Giant XTC Advanced 27.5 1
Original specifications: Shimano XT drivetrain · 27.5 wheels · geometry for 4 published sizes.
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At a glance
- Model year
- 2015
- Category
- Mountain
- Original MSRP
- $4,125.00
- Sizes
- S, M, L, XL
- Colors
- Composite/Red
- Geometry
- 4 manufacturer sizes
- In this record
- 24 specifications · archived image · original MSRP · geometry
- Archive ID
- 1513566
Model history 1 other year
Original buildCarbon Fiber · Shimano XT · 27.5
Frameset
| Frame Construction | Advanced-grade composite |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | Fox Float CTD Factory w/ 15mm thru-axle, OverDrive steerer, remote lockout, 100mm travel |
| Fork Material | Suspension |
Drivetrain
| Component Group | Shimano XT |
|---|---|
| Shifters | Shimano XT |
| Front Derailleur | Shimano XT |
| Rear Derailleur | Shimano XT, Shadow+ |
| Crankset | Shimano XT, 26/38 |
| Bottom Bracket | Shimano, Press fit |
| Cassette | Shimano HG81 11x36, 10-speed |
| Rear Cogs | Shimano HG81 11x36, 10-speed |
| Chain | KMC X10 |
Brakes
| Brakes | Shimano XT, Hydraulic disc, 160mm |
|---|
Cockpit & Contact Points
| Handlebar | Giant Contact SL, Low rise, 31.8mm |
|---|---|
| Stem | Giant Contact |
| Saddle | Fi'zi:k Tundra M5, MG rails |
| Seatpost | Giant Contact, Composite, 27.2mm |
Wheels & Tires
| Hubs | Giant P-XCR1 Composite WheelSystem; 28h, [F] 15mm axle, [R] 142x12 axle |
|---|---|
| Rims | Giant P-XCR1 Composite WheelSystem; 25mm wide, Tubeless compatible |
| Spokes | Giant P-XCR1 Composite WheelSystem; Sapim Race 14/15g |
| Front Tire | Schwalbe Racing Ralph EVO, Tubeless Ready, 27.5x2.1, Folding |
| Rear Tire | Schwalbe Racing Ralph EVO, Tubeless Ready, 27.5x2.1, Folding |
| Wheel Size | 27.5 |
Geometry
Frame measurements by size.
Reference frame view
Select an available measurement to locate it on the frame.
All geometry measurements4 sizes · 9 measurements
| Measurement | S/16 | M/18 | L/20 | XL/22 |
|---|---|---|---|---|
| Top tube | 574.04 mm | 594.36 mm | 614.68 mm | 640.08 mm |
| Head tube | 93.98 mm | 99.06 mm | 109.22 mm | 119.38 mm |
| Head-tube angle | 69.5° | 69.5° | 69.5° | 69.5° |
| Seat-tube angle | 73.5° | 73° | 73° | 73° |
| Chainstay / rear center | 429.26 mm | 429.26 mm | 429.26 mm | 429.26 mm |
| Wheelbase | 1074.42 mm | 1087.12 mm | 1109.98 mm | 1132.84 mm |
| Reach | 403 mm | 416 mm | 433 mm | 455 mm |
| Stack | 580 mm | 585 mm | 594 mm | 604 mm |
| Standover height | 706.12 mm | 739.14 mm | 774.7 mm | 797.56 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
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

45NRTH Kahva Studded Wire Bead Clincher Tire - 27.5in Black, 33tpi, 240 Steel Carbide Studs, 27.5x2.1
27.5x2.1
Replacement option · verify fit
More parts (6)

Cervelo SP19 Carbon Seatpost Black, 27.2mm, 0mm offset, 350mm long
27.2mm, 0mm offset, 350mm long
Replacement option · verify fit
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. Velopedia may also earn from qualifying retailer purchases.
Bike-specific inspection checklist 21 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 Giant XTC Advanced 27.5 1 · Mountain · Published sizes: S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: Advanced-grade composite · Fork: Fox Float CTD Factory w/ 15mm thru-axle, OverDrive steerer, remote lockout, 100mm travel · Suspension
Suspension
Evaluate the suspension →Archived: Fork: Fox Float CTD Factory w/ 15mm thru-axle, OverDrive steerer, remote lockout, 100mm travel
Drivetrain
Check drivetrain wear →Archived: Group: Shimano XT · Shifters: Shimano XT · Front derailleur: Shimano XT · Rear derailleur: Shimano XT, Shadow+ · Crankset: Shimano XT, 26/38 · Bottom bracket: Shimano, Press fit · Cassette: Shimano HG81 11x36, 10-speed · Rear cogs: Shimano HG81 11x36, 10-speed · Chain: KMC X10
Brakes
Inspect the brakes →Archived: Brakes: Shimano XT, Hydraulic disc, 160mm
Wheels and tires
Check wheels and tires →Archived: Wheel size: 27.5 · Rims: Giant P-XCR1 Composite WheelSystem; 25mm wide, Tubeless compatible · Hubs: Giant P-XCR1 Composite WheelSystem; 28h, [F] 15mm axle, [R] 142x12 axle · Front tire: Schwalbe Racing Ralph EVO, Tubeless Ready, 27.5x2.1, Folding · Rear tire: Schwalbe Racing Ralph EVO, Tubeless Ready, 27.5x2.1, Folding
Controls and contact points
Archived: Handlebar: Giant Contact SL, Low rise, 31.8mm · Stem: Giant Contact · Seatpost: Giant Contact, Composite, 27.2mm · Saddle: Fi'zi:k Tundra M5, MG rails
Before and during the test ride
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.
