Velopedia Bicycle Archive
2026 Rocky Mountain Instinct Alloy 30
Original specifications: 27.5"; 29" wheels · geometry for 4 published sizes.
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At a glance
- Model year
- 2026
- Category
- Mountain
- Original MSRP
- $3,499.00
- Sizes
- XS, S, M, L, XL
- Colors
- Grey/Beige, Blue/Blue
- Geometry
- 4 manufacturer sizes
- In this record
- 22 specifications · 2 archived images · original MSRP · geometry
- Archive ID
- 900000084
Original buildAluminum · 27.5"; 29"
Frameset
| Frame Construction | FORM™ Alloy | Full Sealed Cartridge Bearings | Press Fit BB | Internal Cable Routing | 2-Bolt ISCG05 Tabs | RIDE-4™ Adjustable Geometry | 2 Position Axle | SM - XL = 145mm | XS = 140mm | FORM™ Alloy Rear Triangle |
|---|---|
| Frame Material | Aluminum |
| Fork | RockShox Psylo Gold RC 160mm | 27.5 = 37mm Offset | 29 = 42mm Offset |
| Rear Shock | RockShox Deluxe Select+ | Linear XL Air Can | Sealed Bearing Eyelet | 20x8mm F Hardware | XS - SM = 190x45mm | MD - LG - XL = 210x55mm | Size-Specific tune in FAQ |
Drivetrain
| Shifters | Shimano Deore 12spd |
|---|---|
| Rear Derailleur | Shimano Deore 12spd |
| Crankset | Shimano Deore | 32T | 24mm Spindle | Crankarm Length: XS - SM = 165mm | MD - XL = 170mm |
| Bottom Bracket | Shimano SM-BBMT500 |
| Cassette | Shimano Deore 10-51T 12spd |
| Chain | Shimano M6100 |
Brakes
| Brakes | Tektro HD-M535 | Shimano Pad Compatible |
|---|
Cockpit & Contact Points
| Headset | FSA ZS56/66 Reach Adjust | 0mm Cups Installed | +/- 5mm Cups Included | Sealed Stainless 36°x45° Bearings | 30.2mm x 41mm x 6.5mm Upper | 40mm x 51.8mm x 8.0mm Lower | 1.5" Crown Race |
|---|---|
| Handlebar | Rocky Mountain AM | 780mm Width | 38mm Rise | 9° Backsweep | 5° Upsweep | 31.8 Clamp |
| Stem | Rocky Mountain 31.8 AM | 5° Rise | All Sizes = 40mm |
| Saddle | WTB Volt 142 | Steel Rails |
| Seatpost | Tranz X +RAD1.0 Adjustable Dropper Post | 30mm Adjustment | Alloy Clamp Lever | 30.9mm | XS = 125mm | SM = 150mm | MD = 170mm | LG - XL = 200mm |
Wheels & Tires
| Hubs | Front: Shimano TC500 | 15mm Boost; Rear: Shimano TC500 Boost 148mm |
|---|---|
| Rims | Rocky Mountain TR30 | 32H |
| Spokes | 2.0 Stainless |
| Front Tire | Maxxis Minion DHF 2.5 WT EXO Tubeless Ready |
| Rear Tire | Maxxis Minion DHR II 2.4 WT EXO Tubeless Ready |
| Wheel Size | 27.5"; 29" |
Geometry
Frame measurements by size.
Reference frame view
Select an available measurement to locate it on the frame.
All geometry measurements4 sizes · 11 measurements
| Measurement | SM | MD | LG | XL |
|---|---|---|---|---|
| Seat tube | 365 mm | 410 mm | 440 mm | 470 mm |
| Effective top tube | 572 mm | 621 mm | 640 mm | 649 mm |
| Head tube | 100 mm | 110 mm | 125 mm | 135 mm |
| Head-tube angle | 63.5° | 63.5° | 63.5° | 63.5° |
| Seat-tube angle | 76.5° | 76.5° | 76.5° | 76.5° |
| Chainstay / rear center | 440 - 450 | 440 - 450 | 440 - 450 | 440 - 450 |
| Wheelbase | 1198 mm | 1227 mm | 1259 mm | 1293 mm |
| Bottom-bracket drop | 44 mm | 44 mm | 44 mm | 44 mm |
| Reach | 423 mm | 449 mm | 474 mm | 504 mm |
| Stack | 572 mm | 599 mm | 628 mm | 659 mm |
| Standover height | 760 mm | 798 mm | 796 mm | 792 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

Shimano Deore CN-M6100 Chain Silver, 12 Speed, 126 Links
12 Speed, 126 Links
More parts (2)

Shimano Deore RD-M7200 Rear Derailleur Max 51t, Min 10t, 12-Speed
12-Speed
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 23 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: 2026 Rocky Mountain Instinct Alloy 30 · Mountain · Published sizes: XS, S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: FORM™ Alloy | Full Sealed Cartridge Bearings | Press Fit BB | Internal Cable Routing | 2-Bolt ISCG05 Tabs | RIDE-4™ Adjustable Geometry | 2 Position Axle | SM - XL = 145mm | XS = 140mm | FORM™ Alloy Rear Triangle · Fork: RockShox Psylo Gold RC 160mm | 27.5 = 37mm Offset | 29 = 42mm Offset
Suspension
Evaluate the suspension →Archived: Fork: RockShox Psylo Gold RC 160mm | 27.5 = 37mm Offset | 29 = 42mm Offset · Rear shock: RockShox Deluxe Select+ | Linear XL Air Can | Sealed Bearing Eyelet | 20x8mm F Hardware | XS - SM = 190x45mm | MD - LG - XL = 210x55mm | Size-Specific tune in FAQ
Drivetrain
Check drivetrain wear →Archived: Shifters: Shimano Deore 12spd · Rear derailleur: Shimano Deore 12spd · Crankset: Shimano Deore | 32T | 24mm Spindle | Crankarm Length: XS - SM = 165mm | MD - XL = 170mm · Bottom bracket: Shimano SM-BBMT500 · Cassette: Shimano Deore 10-51T 12spd · Chain: Shimano M6100
Brakes
Inspect the brakes →Archived: Brakes: Tektro HD-M535 | Shimano Pad Compatible
Wheels and tires
Check wheels and tires →Archived: Wheel size: 27.5"; 29" · Rims: Rocky Mountain TR30 | 32H · Hubs: Front: Shimano TC500 | 15mm Boost; Rear: Shimano TC500 Boost 148mm · Front tire: Maxxis Minion DHF 2.5 WT EXO Tubeless Ready · Rear tire: Maxxis Minion DHR II 2.4 WT EXO Tubeless Ready
Controls and contact points
Archived: Handlebar: Rocky Mountain AM | 780mm Width | 38mm Rise | 9° Backsweep | 5° Upsweep | 31.8 Clamp · Stem: Rocky Mountain 31.8 AM | 5° Rise | All Sizes = 40mm · Seatpost: Tranz X +RAD1.0 Adjustable Dropper Post | 30mm Adjustment | Alloy Clamp Lever | 30.9mm | XS = 125mm | SM = 150mm | MD = 170mm | LG - XL = 200mm · Saddle: WTB Volt 142 | Steel Rails
Before and during the test ride
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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.





