Bicycle Archive · Specification report

2021 Rocky Mountain Blizzard 50 (27.5)

Velopedia Archive ID 900004758

Overview

Model year	2021
Brand	Rocky Mountain
Model	Blizzard 50 (27.5)
Bicycle type	Mountain
Archive ID	900004758
Original MSRP	$2,819.00
Colors	PURPLE/BLACK
Sizes	SM; MD; LG; XL

Frameset

Frame construction	Rocky Mountain 6061 SL Series Alloy. 100mm BSA BB. Zero Stack Tapered Headtube. Internal Cable Routing. mm Dropper Post Compatible. 197mm Dropouts 0 Rear Triangle
Frame material	Aluminum
Fork	Rocky Mountain Carbon Fat
Fork material	Carbon Fiber

Drivetrain

Shifters	Shimano XT
Rear derailleur	Shimano XT
Crankset	Race Face Aeffect Cinch 30T
Bottom bracket	Race Face BSA 100 24mm
Cassette	Shimano SLX 10-51T
Chain	Shimano M6100

Brakes

Brakes	Shimano MT4120 4 Piston

Cockpit & contact points

Headset	FSA Orbit NO.57E
Handlebar	Rocky Mountain AM 780mm
Stem	Rocky Mountain 31.8 AM \| All Sizes = 40mm
Saddle	WTB Volt Race 142
Seatpost	Race Face Aeffect R Dropper 30.9mm \| XS - SM = 125mm \| MD = 150mm \| LG - XL - XXL = 175mm

Wheels & tires

Hubs	Front: Rocky Mountain Sealed 150 x 15mm; Rear: DT Swiss 350 197mm
Rims	Sun Mulefüt 80 / Tubeless Ready - Tape / Valves Incl
Spokes	2.0 Stainless
Front tire	Terrene Cake Eater Fast Rolling Tubeless Studdable 27.5 x 4.5
Rear tire	Terrene Cake Eater Fast Rolling Tubeless Studdable 27.5 x 4.5
Wheel size	27.5"

Geometry · SM · 27.5″

Seat tube	380 mm
Effective top tube	607 mm
Head tube	95 mm
Head-tube angle	66°
Seat-tube angle	73.5°
Chainstay / rear center	455 mm
Wheelbase	1179 mm
Bottom-bracket drop	60 mm
Reach	425 mm
Stack	615 mm
Standover height	786 mm
Wheel size	27.5

Geometry · MD · 27.5″

Seat tube	420 mm
Effective top tube	634 mm
Head tube	100 mm
Head-tube angle	66°
Seat-tube angle	73.5°
Chainstay / rear center	455 mm
Wheelbase	1206 mm
Bottom-bracket drop	60 mm
Reach	450 mm
Stack	619 mm
Standover height	803 mm
Wheel size	27.5

Geometry · LG · 27.5″

Seat tube	445 mm
Effective top tube	661 mm
Head tube	110 mm
Head-tube angle	66°
Seat-tube angle	73.5°
Chainstay / rear center	455 mm
Wheelbase	1235 mm
Bottom-bracket drop	60 mm
Reach	475 mm
Stack	629 mm
Standover height	814 mm
Wheel size	27.5

Geometry · XL · 27.5″

Seat tube	480 mm
Effective top tube	689 mm
Head tube	120 mm
Head-tube angle	66°
Seat-tube angle	73.5°
Chainstay / rear center	455 mm
Wheelbase	1264 mm
Bottom-bracket drop	60 mm
Reach	500 mm
Stack	638 mm
Standover height	825 mm
Wheel size	27.5

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 7, 2026.