Quiver

2023 Mondraker Foxy R vs 2021 Rocky Mountain Altitude Alloy

The Rocky Mountain Altitude Alloy size closest to your M is the 29 L. Compare the 29 L instead

What changes on the Rocky Mountain Altitude Alloy

Compared with the Mondraker Foxy R in M, the Rocky Mountain Altitude Alloy in 27.5 XL places the top of the head tube 34 mm higher and 33 mm further forward, relative to the bottom bracket. Its wheelbase is 63 mm longer, which can contribute to stability at speed.

Frame stack
+34 mm
Higher front end
Frame reach
+33 mm
Longer frame reach
Wheelbase
+63 mm
Longer: steadier at speed
Head angle
−1.2°
Slacker: calmer steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

2023 Mondraker Foxy R (M)The Mondraker Foxy R frame drawn to scale.J 1222

Only the Mondraker Foxy R is drawn. The Rocky Mountain Altitude Alloy numbers we have for size 27.5 XL are missing the chainstay length.

Geometry side by side

MeasurementMondraker Foxy R MRocky Mountain Altitude Alloy 27.5 XLDifference
Reach475508+33 mm
Stack615649+34 mm
Head tube angle6664.8−1.2°
Seat tube angle7675.8−0.2°
Effective top tube629not listed
Chainstay length435not listed
Wheelbase12221285+63 mm
BB height355not listed
Seat tube length420 mmnot listed
Head tube length100 mmnot listed
BB dropnot listednot listed
Standovernot listednot listed

Differences are the Rocky Mountain Altitude Alloy minus the Mondraker Foxy R. Full charts: 2023 Mondraker Foxy R, 2021 Rocky Mountain Altitude Alloy.

Where each sits in its class

Mondraker Foxy RRocky Mountain Altitude Alloy

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other enduro bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartMondraker Foxy RRRocky Mountain Altitude AlloyAlloy 30
FrameMondraker Foxy 29Rocky Mountain FORM™ Alloy
ForkÖhlins RXF 36 M.2 29Marzocchi Z1
Rear shockÖhlins TTXFox Float Performance
ShifterSRAM SX EagleShimano Deore
DerailleurSRAM NX EagleShimano Deore
CassetteSRAM XG-1230Shimano Deore XT
ChainSRAM SX EagleShimano Deore M6100
CranksetSRAM SX EagleShimano Deore XT
Bottom bracketSRAM DUBShimano SM-BBMT500
TireMaxxis Minion DHF, Maxxis AggressorMaxxis Minion DHF, Maxxis Minion DHR II DD
BrakeSRAM G2Shimano MT4120
HandlebarOnoff Sulfur 1.0 double butted 6061 alloyRocky Mountain AM
StemOnoff Sulfur FG 30mm 0ºRocky Mountain AM
GripsOnoff TwinErgon GE10 EVO
HeadsetOnoff Saturn tapered for 1-1/8” to 1-1/2” head tubeFSA Orbit 57E
Dropper postOnoff Pija dropper internalRocky Mountain Toonie Drop
SaddleSDG Bel-Air 3.0WTB Volt
Wheelsetnot listedShimano MT410
Rotornot listedShimano SM-RT64

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