MountainVerified spec

2020 Rocky Mountain Slayer Carbon 90 (29")

Launched at $7,999Lists today at $7,999 (2026-09)

Own a 2020 Rocky Mountain Slayer Carbon 90 (29")?

Track its value in your garage, or list it for sale locally in a few taps.

Add to garage List yours

What a used one is worth

Open the value tool

New

$4,112

$2,598 to $5,008

Like new

$3,907

$2,468 to $4,758

Excellent

$3,701

$2,338 to $4,507

Good

$3,084

$1,948 to $3,756

Fair

$2,262

$1,429 to $2,755

For parts

$1,234

$779 to $1,502

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Overview

Brand: Rocky Mountain
Model family: Slayer
Model year: 2020
Category: Mountain · enduro
Frame material: carbon
Sizes: M, L, XL
Wheel size: 29
Launch MSRP (US): $7,999
Current list price: $7,999 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: Shimano XTR
Electronic: false

Build

Fork: Fox 36 Float EVOL GRIP2 Factory 29: 170mm 44mm Offset / 27.5: 180mm 37mm Offset
Stem: Rocky Mountain 35 CNC
Tires: Maxxis Minion DHF WT Double Down Maxx Grip 3C Tubeless Ready 2.5 / Maxxis Aggressor WT Double Down Tubeless Ready 2.5
Brakes: Shimano XTR Trail 4 Piston / Shimano RT86 203mm / Shimano RT86 203mm
Saddle: WTB Volt Race 142
Wheels: Race Face ARC 30 rims; hubs: Rocky Mountain Sealed Boost 15mm / DT Swiss 350 Boost 148mm
Cassette: Shimano XTR 12s 10-51T
Crankset: Race Face Next R Cinch 29: 32T / 27.5: 34T
Seatpost: Race Face Turbine R (by Fox) Dropper 30.9mm
Shifters: Shimano XTR
Handlebar: Race Face SixC 820mm
Weight kg: 14.95
Rear shock: Fox DHX2 Factory, 2-Position Lockout, SLS Spring, MD = 350 lb / LG = 400 lb / XL = 450 lb
Travel rear mm: 170
Rear derailleur: Shimano XTR
Travel front mm: 170

Geometry

L: Reach mm: 469; Stack mm: 635; Chainstay mm: 443; Wheelbase mm: 1249; Head angle deg: 63.8; Seat angle deg: 75.8
M: Reach mm: 442; Stack mm: 622; Chainstay mm: 443; Wheelbase mm: 1220; Head angle deg: 63.8; Seat angle deg: 75.8
XL: Reach mm: 492; Stack mm: 649; Chainstay mm: 443; Wheelbase mm: 1286; Head angle deg: 63.8; Seat angle deg: 75.8

Launch price read from Rocky Mountain's US model-year page captured 2019-08 (inside the model year). Geometry is the Pos. 1 - Slack position of the adjustable geometry chip. 2 factory colorways.

For sale now

No Slayer listed right now. Save a search in the app and get told when one appears.