2021 Khs 6600 vs 2021 Rocky Mountain Altitude Alloy
The Rocky Mountain Altitude Alloy size closest to your M/17.5 is the 29 M. Compare the 29 M instead
What changes on the Rocky Mountain Altitude Alloy
Compared with the Khs 6600 in M/17.5, the Rocky Mountain Altitude Alloy in 27.5 XL places the top of the head tube 39 mm higher and 32 mm further forward, relative to the bottom bracket.
- Frame stack
- +39 mm
- Higher front end
- Frame reach
- +32 mm
- Longer frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −2.2°
- Slacker: calmer steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Khs 6600 numbers we have for size M/17.5 are missing the wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Khs 6600 M/17.5 | Rocky Mountain Altitude Alloy 27.5 XL | Difference |
|---|---|---|---|
| Reach | 476 | 508 | +32 mm |
| Stack | 610 | 649 | +39 mm |
| Head tube angle | 67 | 64.8 | −2.2° |
| Seat tube angle | 77 | 75.8 | −1.2° |
| Effective top tube | 606 | not listed | |
| Chainstay length | 440 | not listed | |
| BB height | 345 | not listed | |
| Standover | 776 | not listed | |
| Seat tube length | 440 | not listed | |
| Head tube length | 105 | not listed | |
| Wheelbase | not listed | 1285 | |
| BB drop | not listed | not listed |
Differences are the Rocky Mountain Altitude Alloy minus the Khs 6600. Full charts: 2021 Khs 6600, 2021 Rocky Mountain Altitude Alloy.
Where each sits in its class
Khs 6600Rocky Mountain Altitude Alloy
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.
| Part | Khs 66006600 | Rocky Mountain Altitude AlloyAlloy 30 |
|---|---|---|
| Fork | Fox Float 36 | Marzocchi Z1 |
| Rear shock | Fox Float DPS | Fox Float Performance |
| Shifter | Shimano SLX | Shimano Deore |
| Derailleur | Shimano SLX | Shimano Deore |
| Chain | Shimano Deore M6100 | Shimano Deore M6100 |
| Crankset | FSA Gamma Pro | Shimano Deore XT |
| Bottom bracket | FSA MegaExo Outboard Cartridge Bearing | Shimano SM-BBMT500 |
| Tire | Kenda Regolith Pro | Maxxis Minion DHF, Maxxis Minion DHR II DD |
| Hub | Shimano FH-MT410-B Disc Cassette | not listed |
| Rim | WTB ST=S:i35 | not listed |
| Brake | Shimano MT420 4-Piston Hydraulic Disc | Shimano MT4120 |
| Handlebar | FSA Grid 35mm | Rocky Mountain AM |
| Stem | FSA Grid 3D Forged | Rocky Mountain AM |
| Headset | FSA No. 57/52 | FSA Orbit 57E |
| Seatpost | Kind Shock Exa-Form KSP-900-i | not listed |
| Saddle | WTB High Tail | WTB Volt |
| Frame | not listed | Rocky Mountain FORM™ Alloy |
| Cassette | not listed | Shimano Deore XT |
| Wheelset | not listed | Shimano MT410 |
| Rotor | not listed | Shimano SM-RT64 |
| Grips | not listed | Ergon GE10 EVO |
| Dropper post | not listed | Rocky Mountain Toonie Drop |
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