VelopediaBicycle Archive · Specification report

2023 Rocky Mountain Altitude Carbon 70

Velopedia Archive ID 900004800

Overview

Model year2023
BrandRocky Mountain
ModelAltitude Carbon 70
Bicycle typeMountain
Archive ID900004800
Original MSRP$7,499.00
ColorsRed/Carbon; Yellow/Blue
SizesMD; LG; XL; SM
Weight32.4 LBS|14.7 KGS

Frameset

Frame constructionSMOOTHWALL™ Carbon | Full Sealed Cartridge Bearings | Press Fit BB | Internal Cable Routing | 2-Bolt ISCG05 Tabs | RIDE-9™ Adjustable Geometry | 2 Position Axle | 160mm Travel. SMOOTHWALL™ Carbon Rear Triangle
Frame materialCarbon Fiber
ForkFox 38 Float EVOL GRIP2 Performance Elite Series 170mm | 27.5 = 37mm Offset | 29 = 44mm Offset
Rear shockFox Float X2 Performance | Sealed Bearing Eyelet | 25x8mm F Hardware | SM = 210x55mm | MD - LG - XL = 230x60mm | Size-Specific tune in FAQ

Drivetrain

ShiftersShimano XT
Rear derailleurShimano XT
CranksetShimano XT | 32T | 24mm Spindle | 170mm Crank Length
Bottom bracketShimano SM-BBMT500
CassetteShimano XT 10-51T
ChainShimano M8100

Brakes

BrakesShimano XT Trail 4 Piston | Metal Pads | F:Shimano RT66 203mm | R:Shimano RT66 180mm

Cockpit & contact points

HeadsetFSA Orbit NO.57E | Sealed Stainless 36°x45° Bearings | 30.2mm x 41mm x 7.1mm Upper | 40mm x 51.8mm x 7.5mm Lower | 1.5" Crown Race
HandlebarRocky Mountain AM | 780mm Width | 38mm Rise | 9° Backsweep | 5° Upsweep | 35 Clamp
StemRocky Mountain 35 AM | 5° Rise | All Sizes = 40m
SaddleWTB Volt Race 142
SeatpostRace Face Turbine R (by Fox) Dropper 30.9mm | SM = 125mm | MD = 150mm | LG = 175mm | XL = 200mm

Wheels & tires

HubsFront: Rocky Mountain Sealed Boost 15mm; Rear: DT Swiss 370 Boost 148mm | 18T Star-Ratchet
RimsRace Face AR 30 | 32H | Tubeless Ready - Tape / Valves Incl
SpokesDT Swiss Competition 2.0/1.8/2.0
Front tireMaxxis Assegai 2.5 WT 3C MaxxGrip EXO+ Tubeless Ready
Rear tireMaxxis Minion DHR II 2.4 WT 3C MaxxTerra EXO+ Tubeless Ready
Wheel size29"; 27.5"

Geometry · MD · MX · POS.1 Slack

Seat tube420 mm
Effective top tube611 mm
Head tube95 mm
Head-tube angle64.4°
Seat-tube angle75.4°
Chainstay / rear center438 - 449
Wheelbase1218 mm
Bottom-bracket drop20 mm
Reach449 mm
Stack624 mm
Standover height813 mm
Wheel sizeMX

Geometry · LG · MX · POS.1 Slack

Seat tube445 mm
Effective top tube640 mm
Head tube110 mm
Head-tube angle64.4°
Seat-tube angle75.4°
Chainstay / rear center438 - 449
Wheelbase1249 mm
Bottom-bracket drop20 mm
Reach474 mm
Stack638 mm
Standover height813 mm
Wheel sizeMX

Geometry · XL · MX · POS.1 Slack

Seat tube480 mm
Effective top tube673 mm
Head tube125 mm
Head-tube angle64.4°
Seat-tube angle75.4°
Chainstay / rear center438 - 449
Wheelbase1285 mm
Bottom-bracket drop20 mm
Reach504 mm
Stack652 mm
Standover height813 mm
Wheel sizeMX

Geometry · MD · MX · POS.2

Seat tube420 mm
Effective top tube611 mm
Head tube95 mm
Head-tube angle64.7°
Seat-tube angle75.7°
Chainstay / rear center438 - 449
Wheelbase1218 mm
Bottom-bracket drop17 mm
Reach451 mm
Stack623 mm
Standover height814 mm
Wheel sizeMX

Geometry · LG · MX · POS.2

Seat tube445 mm
Effective top tube639 mm
Head tube110 mm
Head-tube angle64.7°
Seat-tube angle75.7°
Chainstay / rear center438 - 449
Wheelbase1249 mm
Bottom-bracket drop17 mm
Reach476 mm
Stack637 mm
Standover height814 mm
Wheel sizeMX

Geometry · XL · MX · POS.2

Seat tube480 mm
Effective top tube672 mm
Head tube125 mm
Head-tube angle64.7°
Seat-tube angle75.7°
Chainstay / rear center438 - 449
Wheelbase1285 mm
Bottom-bracket drop17 mm
Reach506 mm
Stack650 mm
Standover height814 mm
Wheel sizeMX

Geometry · MD · MX · POS.3

Seat tube420 mm
Effective top tube610 mm
Head tube95 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center437 - 448
Wheelbase1217 mm
Bottom-bracket drop15 mm
Reach453 mm
Stack622 mm
Standover height815 mm
Wheel sizeMX

Geometry · LG · MX · POS.3

Seat tube445 mm
Effective top tube639 mm
Head tube110 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center437 - 448
Wheelbase1249 mm
Bottom-bracket drop15 mm
Reach478 mm
Stack635 mm
Standover height815 mm
Wheel sizeMX

Geometry · XL · MX · POS.3

Seat tube480 mm
Effective top tube672 mm
Head tube125 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center437 - 448
Wheelbase1285 mm
Bottom-bracket drop15 mm
Reach508 mm
Stack649 mm
Standover height815 mm
Wheel sizeMX

Geometry · MD · MX · POS.4

Seat tube420 mm
Effective top tube610 mm
Head tube95 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center437 - 448
Wheelbase1217 mm
Bottom-bracket drop15 mm
Reach453 mm
Stack622 mm
Standover height815 mm
Wheel sizeMX

Geometry · LG · MX · POS.4

Seat tube445 mm
Effective top tube639 mm
Head tube110 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center437 - 448
Wheelbase1249 mm
Bottom-bracket drop15 mm
Reach478 mm
Stack635 mm
Standover height815 mm
Wheel sizeMX

Geometry · XL · MX · POS.4

Seat tube480 mm
Effective top tube672 mm
Head tube125 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center437 - 448
Wheelbase1285 mm
Bottom-bracket drop15 mm
Reach508 mm
Stack649 mm
Standover height815 mm
Wheel sizeMX

Geometry · MD · MX · POS.5 Neutral

Seat tube420 mm
Effective top tube610 mm
Head tube95 mm
Head-tube angle65°
Seat-tube angle76°
Chainstay / rear center437 - 448
Wheelbase1217 mm
Bottom-bracket drop13 mm
Reach455 mm
Stack620 mm
Standover height816 mm
Wheel sizeMX

Geometry · LG · MX · POS.5 Neutral

Seat tube445 mm
Effective top tube638 mm
Head tube110 mm
Head-tube angle65°
Seat-tube angle76°
Chainstay / rear center437 - 448
Wheelbase1249 mm
Bottom-bracket drop13 mm
Reach480 mm
Stack634 mm
Standover height816 mm
Wheel sizeMX

Geometry · XL · MX · POS.5 Neutral

Seat tube480 mm
Effective top tube671 mm
Head tube125 mm
Head-tube angle65°
Seat-tube angle76°
Chainstay / rear center437 - 448
Wheelbase1285 mm
Bottom-bracket drop13 mm
Reach510 mm
Stack647 mm
Standover height816 mm
Wheel sizeMX

Geometry · MD · 29″ · POS.1 Slack

Seat tube420 mm
Effective top tube611 mm
Head tube95 mm
Head-tube angle64.4°
Seat-tube angle75.4°
Chainstay / rear center438 - 449
Wheelbase1218 mm
Bottom-bracket drop34 mm
Reach449 mm
Stack624 mm
Standover height813 mm
Wheel size29

Geometry · LG · 29″ · POS.1 Slack

Seat tube445 mm
Effective top tube640 mm
Head tube110 mm
Head-tube angle64.4°
Seat-tube angle75.4°
Chainstay / rear center438 - 449
Wheelbase1249 mm
Bottom-bracket drop34 mm
Reach474 mm
Stack638 mm
Standover height813 mm
Wheel size29

Geometry · XL · 29″ · POS.1 Slack

Seat tube480 mm
Effective top tube673 mm
Head tube125 mm
Head-tube angle64.4°
Seat-tube angle75.4°
Chainstay / rear center438 - 449
Wheelbase1285 mm
Bottom-bracket drop34 mm
Reach504 mm
Stack652 mm
Standover height813 mm
Wheel size29

Geometry · MD · 29″ · POS.2

Seat tube420 mm
Effective top tube611 mm
Head tube95 mm
Head-tube angle64.7°
Seat-tube angle75.7°
Chainstay / rear center438 - 449
Wheelbase1218 mm
Bottom-bracket drop32 mm
Reach451 mm
Stack623 mm
Standover height814 mm
Wheel size29

Geometry · LG · 29″ · POS.2

Seat tube445 mm
Effective top tube639 mm
Head tube110 mm
Head-tube angle64.7°
Seat-tube angle75.7°
Chainstay / rear center438 - 449
Wheelbase1249 mm
Bottom-bracket drop32 mm
Reach476 mm
Stack637 mm
Standover height814 mm
Wheel size29

Geometry · XL · 29″ · POS.2

Seat tube480 mm
Effective top tube672 mm
Head tube125 mm
Head-tube angle64.7°
Seat-tube angle75.7°
Chainstay / rear center438 - 449
Wheelbase1285 mm
Bottom-bracket drop32 mm
Reach506 mm
Stack650 mm
Standover height814 mm
Wheel size29

Geometry · MD · 29″ · POS.3

Seat tube420 mm
Effective top tube610 mm
Head tube95 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center437 - 448
Wheelbase1217 mm
Bottom-bracket drop30 mm
Reach453 mm
Stack622 mm
Standover height815 mm
Wheel size29

Geometry · LG · 29″ · POS.3

Seat tube445 mm
Effective top tube639 mm
Head tube110 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center437 - 448
Wheelbase1249 mm
Bottom-bracket drop30 mm
Reach478 mm
Stack635 mm
Standover height815 mm
Wheel size29

Geometry · XL · 29″ · POS.3

Seat tube480 mm
Effective top tube672 mm
Head tube125 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center437 - 448
Wheelbase1285 mm
Bottom-bracket drop30 mm
Reach508 mm
Stack649 mm
Standover height815 mm
Wheel size29

Geometry · MD · 29″ · POS.4

Seat tube420 mm
Effective top tube610 mm
Head tube95 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center437 - 448
Wheelbase1217 mm
Bottom-bracket drop29 mm
Reach453 mm
Stack622 mm
Standover height815 mm
Wheel size29

Geometry · LG · 29″ · POS.4

Seat tube445 mm
Effective top tube639 mm
Head tube110 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center437 - 448
Wheelbase1249 mm
Bottom-bracket drop30 mm
Reach478 mm
Stack635 mm
Standover height815 mm
Wheel size29

Geometry · XL · 29″ · POS.4

Seat tube480 mm
Effective top tube672 mm
Head tube125 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center437 - 448
Wheelbase1285 mm
Bottom-bracket drop30 mm
Reach508 mm
Stack649 mm
Standover height815 mm
Wheel size29

Geometry · MD · 29″ · POS.5 Neutral

Seat tube420 mm
Effective top tube610 mm
Head tube95 mm
Head-tube angle65°
Seat-tube angle76°
Chainstay / rear center437 - 448
Wheelbase1217 mm
Bottom-bracket drop27 mm
Reach455 mm
Stack620 mm
Standover height816 mm
Wheel size29

Geometry · LG · 29″ · POS.5 Neutral

Seat tube445 mm
Effective top tube638 mm
Head tube110 mm
Head-tube angle65°
Seat-tube angle76°
Chainstay / rear center437 - 448
Wheelbase1249 mm
Bottom-bracket drop27 mm
Reach480 mm
Stack634 mm
Standover height816 mm
Wheel size29

Geometry · XL · 29″ · POS.5 Neutral

Seat tube480 mm
Effective top tube671 mm
Head tube125 mm
Head-tube angle65°
Seat-tube angle76°
Chainstay / rear center437 - 448
Wheelbase1285 mm
Bottom-bracket drop27 mm
Reach510 mm
Stack647 mm
Standover height816 mm
Wheel size29

Geometry · MD · 29″ · POS.6

Seat tube420 mm
Effective top tube609 mm
Head tube95 mm
Head-tube angle65.2°
Seat-tube angle76.2°
Chainstay / rear center437 - 448
Wheelbase1217 mm
Bottom-bracket drop25 mm
Reach457 mm
Stack619 mm
Standover height817 mm
Wheel size29

Geometry · LG · 29″ · POS.6

Seat tube445 mm
Effective top tube638 mm
Head tube110 mm
Head-tube angle65.2°
Seat-tube angle76.2°
Chainstay / rear center437 - 448
Wheelbase1248 mm
Bottom-bracket drop25 mm
Reach482 mm
Stack632 mm
Standover height817 mm
Wheel size29

Geometry · XL · 29″ · POS.6

Seat tube480 mm
Effective top tube671 mm
Head tube125 mm
Head-tube angle65.2°
Seat-tube angle76.2°
Chainstay / rear center437 - 448
Wheelbase1285 mm
Bottom-bracket drop25 mm
Reach512 mm
Stack646 mm
Standover height817 mm
Wheel size29

Geometry · MD · 29″ · POS.7

Seat tube420 mm
Effective top tube609 mm
Head tube95 mm
Head-tube angle65.2°
Seat-tube angle76.2°
Chainstay / rear center437 - 448
Wheelbase1217 mm
Bottom-bracket drop25 mm
Reach457 mm
Stack619 mm
Standover height817 mm
Wheel size29

Geometry · LG · 29″ · POS.7

Seat tube445 mm
Effective top tube638 mm
Head tube110 mm
Head-tube angle65.2°
Seat-tube angle76.2°
Chainstay / rear center437 - 448
Wheelbase1248 mm
Bottom-bracket drop25 mm
Reach482 mm
Stack632 mm
Standover height817 mm
Wheel size29

Geometry · XL · 29″ · POS.7

Seat tube480 mm
Effective top tube671 mm
Head tube125 mm
Head-tube angle65.2°
Seat-tube angle76.2°
Chainstay / rear center437 - 448
Wheelbase1285 mm
Bottom-bracket drop25 mm
Reach512 mm
Stack646 mm
Standover height817 mm
Wheel size29

Geometry · MD · 29″ · POS.8

Seat tube420 mm
Effective top tube609 mm
Head tube95 mm
Head-tube angle65.4°
Seat-tube angle76.4°
Chainstay / rear center436 - 447
Wheelbase1217 mm
Bottom-bracket drop22 mm
Reach459 mm
Stack617 mm
Standover height818 mm
Wheel size29

Geometry · LG · 29″ · POS.8

Seat tube445 mm
Effective top tube637 mm
Head tube110 mm
Head-tube angle65.4°
Seat-tube angle76.4°
Chainstay / rear center436 - 447
Wheelbase1248 mm
Bottom-bracket drop22 mm
Reach484 mm
Stack631 mm
Standover height818 mm
Wheel size29

Geometry · XL · 29″ · POS.8

Seat tube480 mm
Effective top tube670 mm
Head tube125 mm
Head-tube angle65.4°
Seat-tube angle76.4°
Chainstay / rear center436 - 447
Wheelbase1284 mm
Bottom-bracket drop22 mm
Reach514 mm
Stack644 mm
Standover height818 mm
Wheel size29

Geometry · MD · 29″ · POS.9 Steep

Seat tube420 mm
Effective top tube608 mm
Head tube95 mm
Head-tube angle65.5°
Seat-tube angle76.5°
Chainstay / rear center436 - 447
Wheelbase1216 mm
Bottom-bracket drop19 mm
Reach461 mm
Stack616 mm
Standover height819 mm
Wheel size29

Geometry · LG · 29″ · POS.9 Steep

Seat tube445 mm
Effective top tube637 mm
Head tube110 mm
Head-tube angle65.5°
Seat-tube angle76.5°
Chainstay / rear center436 - 447
Wheelbase1248 mm
Bottom-bracket drop19 mm
Reach486 mm
Stack629 mm
Standover height819 mm
Wheel size29

Geometry · XL · 29″ · POS.9 Steep

Seat tube480 mm
Effective top tube670 mm
Head tube125 mm
Head-tube angle65.5°
Seat-tube angle76.5°
Chainstay / rear center436 - 447
Wheelbase1284 mm
Bottom-bracket drop19 mm
Reach516 mm
Stack643 mm
Standover height819 mm
Wheel size29

Geometry · SM · 27.5″ · POS.1 Slack

Seat tube380 mm
Effective top tube580 mm
Head tube100 mm
Head-tube angle64.4°
Seat-tube angle75.4°
Chainstay / rear center428 - 439
Wheelbase1172 mm
Bottom-bracket drop20 mm
Reach423 mm
Stack601 mm
Standover height767 mm
Wheel size27.5

Geometry · MD · 27.5″ · POS.1 Slack

Seat tube420 mm
Effective top tube607 mm
Head tube110 mm
Head-tube angle64.4°
Seat-tube angle75.4°
Chainstay / rear center428 - 439
Wheelbase1201 mm
Bottom-bracket drop19 mm
Reach449 mm
Stack610 mm
Standover height797 mm
Wheel size27.5

Geometry · SM · 27.5″ · POS.2

Seat tube380 mm
Effective top tube580 mm
Head tube100 mm
Head-tube angle64.7°
Seat-tube angle75.7°
Chainstay / rear center428 - 439
Wheelbase1172 mm
Bottom-bracket drop18 mm
Reach425 mm
Stack599 mm
Standover height769 mm
Wheel size27.5

Geometry · MD · 27.5″ · POS.2

Seat tube420 mm
Effective top tube607 mm
Head tube110 mm
Head-tube angle64.6°
Seat-tube angle75.6°
Chainstay / rear center428 - 439
Wheelbase1201 mm
Bottom-bracket drop17 mm
Reach451 mm
Stack608 mm
Standover height800 mm
Wheel size27.5

Geometry · SM · 27.5″ · POS.3

Seat tube380 mm
Effective top tube579 mm
Head tube100 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center428 - 439
Wheelbase1171 mm
Bottom-bracket drop15 mm
Reach428 mm
Stack598 mm
Standover height770 mm
Wheel size27.5

Geometry · MD · 27.5″ · POS.3

Seat tube420 mm
Effective top tube606 mm
Head tube110 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center428 - 439
Wheelbase1200 mm
Bottom-bracket drop15 mm
Reach453 mm
Stack607 mm
Standover height802 mm
Wheel size27.5

Geometry · SM · 27.5″ · POS.4

Seat tube380 mm
Effective top tube579 mm
Head tube100 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center427 - 438
Wheelbase1171 mm
Bottom-bracket drop15 mm
Reach428 mm
Stack598 mm
Standover height770 mm
Wheel size27.5

Geometry · MD · 27.5″ · POS.4

Seat tube420 mm
Effective top tube606 mm
Head tube110 mm
Head-tube angle64.8°
Seat-tube angle75.8°
Chainstay / rear center427 - 438
Wheelbase1200 mm
Bottom-bracket drop14 mm
Reach453 mm
Stack607 mm
Standover height802 mm
Wheel size27.5

Geometry · SM · 27.5″ · POS.5 Neutral

Seat tube380 mm
Effective top tube579 mm
Head tube100 mm
Head-tube angle65°
Seat-tube angle76°
Chainstay / rear center427 - 438
Wheelbase1171 mm
Bottom-bracket drop12 mm
Reach430 mm
Stack596 mm
Standover height771 mm
Wheel size27.5

Geometry · MD · 27.5″ · POS.5 Neutral

Seat tube420 mm
Effective top tube603 mm
Head tube110 mm
Head-tube angle65°
Seat-tube angle76°
Chainstay / rear center427 - 438
Wheelbase1199 mm
Bottom-bracket drop12 mm
Reach455 mm
Stack606 mm
Standover height804 mm
Wheel size27.5

Geometry · SM · 27.5″ · POS.6

Seat tube380 mm
Effective top tube578 mm
Head tube100 mm
Head-tube angle65.2°
Seat-tube angle76.2°
Chainstay / rear center427 - 438
Wheelbase1170 mm
Bottom-bracket drop9 mm
Reach432 mm
Stack595 mm
Standover height772 mm
Wheel size27.5

Geometry · MD · 27.5″ · POS.6

Seat tube420 mm
Effective top tube605 mm
Head tube110 mm
Head-tube angle65.2°
Seat-tube angle76.2°
Chainstay / rear center427 - 438
Wheelbase1200 mm
Bottom-bracket drop10 mm
Reach457 mm
Stack604 mm
Standover height806 mm
Wheel size27.5

Geometry · SM · 27.5″ · POS.7

Seat tube380 mm
Effective top tube578 mm
Head tube100 mm
Head-tube angle65.2°
Seat-tube angle76.2°
Chainstay / rear center427 - 438
Wheelbase1170 mm
Bottom-bracket drop9 mm
Reach432 mm
Stack595 mm
Standover height772 mm
Wheel size27.5

Geometry · MD · 27.5″ · POS.7

Seat tube420 mm
Head tube110 mm
Head-tube angle65.2°
Seat-tube angle76.2°
Chainstay / rear center427 - 438
Wheelbase1200 mm
Bottom-bracket drop10 mm
Reach457 mm
Stack604 mm
Standover height807 mm
Wheel size27.5

Geometry · SM · 27.5″ · POS.8

Seat tube380 mm
Effective top tube578 mm
Head tube100 mm
Head-tube angle65.4°
Seat-tube angle76.4°
Chainstay / rear center426 - 437
Wheelbase1170 mm
Bottom-bracket drop7 mm
Reach434 mm
Stack593 mm
Standover height773 mm
Wheel size27.5

Geometry · MD · 27.5″ · POS.8

Seat tube420 mm
Effective top tube605 mm
Head tube110 mm
Head-tube angle65.4°
Seat-tube angle76.4°
Chainstay / rear center426 - 437
Wheelbase1199 mm
Bottom-bracket drop7 mm
Reach459 mm
Stack602 mm
Standover height809 mm
Wheel size27.5

Geometry · SM · 27.5″ · POS.9 Steep

Seat tube380 mm
Effective top tube577 mm
Head tube100 mm
Head-tube angle65.5°
Seat-tube angle76.5°
Chainstay / rear center425 - 436
Wheelbase1169 mm
Bottom-bracket drop4 mm
Reach437 mm
Stack591 mm
Standover height774 mm
Wheel size27.5

Geometry · MD · 27.5″ · POS.9 Steep

Seat tube420 mm
Effective top tube605 mm
Head tube110 mm
Head-tube angle65.5°
Seat-tube angle76.5°
Chainstay / rear center426 - 437
Wheelbase1198 mm
Bottom-bracket drop5 mm
Reach461 mm
Stack601 mm
Standover height812 mm
Wheel size27.5

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