
Budget
CA$140.001 Canadian shopOneUp Components V2 Dropper Post
Get: 30.9 mm
Also fits: 31.6 mm, 34.9 mm
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- Your frame's seatpost diameter is not documented — measure before buying.
Now on your bike: not recorded
← All parts for the Rocky Mountain Altitude Alloy 30 2021Every standard that matters is recorded for your bike and the part, and they match.
No dropper post we can verify for this bike yet. Some may fit — see below.
A standard these need isn’t recorded for your bike or the part. Each card says what to check.

Budget
CA$140.001 Canadian shopGet: 30.9 mm
Also fits: 31.6 mm, 34.9 mm
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Budget
CA$160.001 Canadian shopGet: 30.9 mm · 150 mm
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Mid-range
CA$252.001 Canadian shopGet: 31.6 mm · 170 mm
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Mid-rangeUpgrade
CA$274.961 Canadian shopGet: 31.6 mm · 80 mm
Also fits: 34.9 mm · 150 mm
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Mid-rangeUpgrade
CA$299.951 Canadian shopGet: 30.9 mm · 150 mm
Also fits: 31.6 mm · 150 mm
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Mid-rangeUpgrade
CA$309.951 Canadian shopGet: 30.9 mm · 150 mm
Also fits: 31.6 mm · 150 mm, 34.9 mm · 150 mm
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Mid-rangeUpgrade
CA$352.001 Canadian shopGet: 30.9 mm
Also fits: 31.6 mm, 34.9 mm
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TopUpgrade
CA$499.991 Canadian shopGet: 31.6 mm · 125 mm
Also fits: 30.9 mm · 160 mm
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You’ll also need
TopUpgrade
CA$799.951 Canadian shopGet: 30.9 mm · 175 mm
Also fits: 31.6 mm · 175 mm, 34.9 mm · 175 mm
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Upgrade
No shop yetGet: 34.9 × 125
Also fits: 34.9 × 150, 34.9 × 175, 34.9 × 200, 34.9 × 225, 34.9 × 240
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No shop yetGet: 30.9 × 100
Also fits: 30.9 × 125, 30.9 × 150, 30.9 × 175, 30.9 × 200, 30.9 × 225, 31.6 × 100, 31.6 × 125, 31.6 × 150, 31.6 × 175, 31.6 × 200, 31.6 × 225, 34.9 × 125, 34.9 × 150, 34.9 × 175, 34.9 × 200, 34.9 × 225
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No shop yetGet: 30.9 × 125
Also fits: 30.9 × 150, 30.9 × 175, 30.9 × 200, 31.6 × 125, 31.6 × 150, 31.6 × 175, 31.6 × 200, 34.9 × 125, 34.9 × 150, 34.9 × 175, 34.9 × 200
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No shop yetGet: 30.9 × 100
Also fits: 30.9 × 125, 30.9 × 150, 30.9 × 175, 30.9 × 200, 30.9 × 225, 30.9 × 250, 31.6 × 100, 31.6 × 125, 31.6 × 150, 31.6 × 175, 31.6 × 200, 31.6 × 225, 31.6 × 250
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No shop yetGet: 30.9 × 100 (350mm long)
Also fits: 30.9 × 125 (375mm long), 30.9 × 125 (415mm long), 30.9 × 150 (440mm long), 30.9 × 175 (500mm long), 30.9 × 200 (560mm long), 30.9 × 75 (325mm long), 31.6 × 100 (350mm long), 31.6 × 125 (375mm long), 31.6 × 125 (415mm long), 31.6 × 150 (440mm long), 31.6 × 175 (500mm long), 31.6 × 200 (560mm long), 31.6 × 75 (325mm long), 34.9 × 100 (350mm long), 34.9 × 125 (375mm long), 34.9 × 125 (415mm long), 34.9 × 150 (440mm long), 34.9 × 175 (500mm long), 34.9 × 200 (560mm long), 34.9 × 75 (325mm long)
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No shop yetGet: 27.2 × 80
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No shop yetGet: 30.9 × 100
Also fits: 30.9 × 125, 30.9 × 160, 30.9 × 185, 30.9 × 213, 31.6 × 100, 31.6 × 125, 31.6 × 160, 31.6 × 185, 31.6 × 213, 34.9 × 125, 34.9 × 160, 34.9 × 185, 34.9 × 213
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Upgrade
No shop yetGet: 27.2 × 60 · L1 Remote Lever
Also fits: 27.2 × 60 · L1 Trigger Matchmaker, 27.2 × 60 · L1 Trigger handle bar clamp, 30.9 × 60 · L1 Remote Lever, 30.9 × 60 · L1 Trigger Matchmaker, 30.9 × 60 · L1 Trigger handle bar clamp
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No shop yetGet: 30.9 × 120
Also fits: 30.9 × 150, 30.9 × 180, 30.9 × 210, 31.6 × 120, 31.6 × 150, 31.6 × 180, 31.6 × 210, 31.6 × 240, 34.9 × 120, 34.9 × 150, 34.9 × 180, 34.9 × 210, 34.9 × 240
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No shop yetGet: 34.9 × 125
Also fits: 34.9 × 150, 34.9 × 175, 34.9 × 200, 34.9 × 225, 34.9 × 240
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No shop yetGet: 27.2 × 50
Also fits: 27.2 × 70, 30.9 × 100, 30.9 × 75, 31.6 × 100, 31.6 × 125, 31.6 × 150, 31.6 × 75
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No shop yetGet: 27.2 × 100
Also fits: 27.2 × 120, 27.2 × 65, 30.9 × 100, 30.9 × 125, 30.9 × 150, 30.9 × 175, 31.6 × 100, 31.6 × 125, 31.6 × 150, 31.6 × 175
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No shop yetGet: 30.9 × 100 (315mm long)
Also fits: 30.9 × 125 (375mm long), 30.9 × 150 (435mm long), 30.9 × 75 (275mm long), 31.6 × 100 (315mm long), 31.6 × 125 (375mm long), 31.6 × 150 (435mm long), 31.6 × 75 (275mm long)
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No shop yetGet: 30.9 × 125
Also fits: 30.9 × 160, 30.9 × 185, 30.9 × 213, 31.6 × 125, 31.6 × 160, 31.6 × 185, 31.6 × 213, 34.9 × 125, 34.9 × 160, 34.9 × 185, 34.9 × 213
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No shop yetGet: 30.9 × 100
Also fits: 30.9 × 125, 30.9 × 80, 31.6 × 100, 31.6 × 125, 31.6 × 80
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No shop yetGet: 30.9 × 80
Also fits: 31.6 × 80
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No shop yetGet: 31.6 × 100
Also fits: 31.6 × 130, 31.6 × 150, 31.6 × 170, 34.9 × 100, 34.9 × 150, 34.9 × 170, 34.9 × 200
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No shop yetGet: 27.2 × 100
Also fits: 27.2 × 100 Long, 27.2 × 125, 27.2 × 60, 27.2 × 60 Long, 27.2 × 80, 27.2 × 80 Long, 30.9 × 100, 30.9 × 125, 30.9 × 150, 30.9 × 170, 30.9 × 200, 30.9 × 230, 30.9 × 60, 30.9 × 60 Long, 30.9 × 80, 30.9 × 80 Long, 31.6 × 100, 31.6 × 125, 31.6 × 150, 31.6 × 170, 31.6 × 200, 31.6 × 230, 31.6 × 60, 31.6 × 60 Long, 31.6 × 80, 31.6 × 80 Long, 34.9 × 100, 34.9 × 125, 34.9 × 150, 34.9 × 170, 34.9 × 200, 34.9 × 230
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No shop yetGet: 30.9 × 100
Also fits: 30.9 × 125, 30.9 × 150, 30.9 × 170, 30.9 × 60, 31.6 × 100, 31.6 × 125, 31.6 × 150, 31.6 × 170, 31.6 × 60
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Upgrade
No shop yetGet: 27.2 × 60 · L1 Remote Lever
Also fits: 27.2 × 60 · L1 Trigger Matchmaker, 27.2 × 60 · L1 Trigger handle bar clamp, 30.9 × 60 · L1 Remote Lever, 30.9 × 60 · L1 Trigger Matchmaker, 30.9 × 60 · L1 Trigger handle bar clamp
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No shop yetGet: 30.9 × 120
Also fits: 30.9 × 150, 30.9 × 180, 30.9 × 210, 31.6 × 120, 31.6 × 150, 31.6 × 180, 31.6 × 210, 31.6 × 240, 34.9 × 120, 34.9 × 150, 34.9 × 180, 34.9 × 210, 34.9 × 240
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No shop yetGet: 27.2 × 50
Also fits: 27.2 × 70, 30.9 × 100, 30.9 × 75, 31.6 × 100, 31.6 × 100 XL, 31.6 × 125, 31.6 × 150, 31.6 × 75
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No shop yetGet: 30.9 × 125
Also fits: 30.9 × 150, 30.9 × 170, 30.9 × 200
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No shop yetGet: 27.2 × 100
Also fits: 27.2 × 120, 30.9 × 100, 30.9 × 125, 30.9 × 150, 30.9 × 80, 31.6 × 100, 31.6 × 125, 31.6 × 150, 31.6 × 80
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No shop yetGet: 30.9 × 100
Also fits: 30.9 × 125, 30.9 × 150, 30.9 × 175, 30.9 × 200, 30.9 × 65, 31.6 × 100, 31.6 × 125, 31.6 × 150, 31.6 × 175, 31.6 × 200, 31.6 × 65, 34.9 × 125, 34.9 × 150, 34.9 × 175, 34.9 × 200
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No shop yetGet: 27.2 × 100
Also fits: 27.2 × 120, 27.2 × 65
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No shop yetGet: 30.9 × 125
Also fits: 30.9 × 150, 30.9 × 170, 31.6 × 125, 31.6 × 150, 31.6 × 170
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No shop yetGet: 27.2 × 100
Also fits: 30.9 × 100, 30.9 × 160, 31.6 × 100, 31.6 × 160
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No shop yetGet: 30.9 × 100
Also fits: 30.9 × 75, 31.6 × 100, 31.6 × 75
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No shop yetGet: 30.9 × 120–150 (adj.)
Also fits: 30.9 × 150–180 (adj.), 30.9 × 90–120 (adj.), 31.6 × 120–150 (adj.), 31.6 × 150–180 (adj.), 31.6 × 180–210 (adj.), 31.6 × 90–120 (adj.)
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Get: 31.6 × 100
Also fits: 31.6 × 150, 31.6 × 170, 34.9 × 100, 34.9 × 150, 34.9 × 170, 34.9 × 200
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Get: 30.9 × 100
Also fits: 30.9 × 125, 30.9 × 150, 30.9 × 170, 31.6 × 100, 31.6 × 125, 31.6 × 150, 31.6 × 170, 31.6 × 200
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Get: 27.2 × 100
Also fits: 27.2 × 125, 27.2 × 60, 27.2 × 60 Short, 27.2 × 80
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Get: 30.9 × 100
Also fits: 30.9 × 140, 30.9 × 170, 30.9 × 200
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Get: 30.9 × 100
Also fits: 30.9 × 125
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Get: 30.9 × 100
Also fits: 30.9 × 125, 30.9 × 150, 30.9 × 170, 30.9 × 180, 30.9 × 190, 30.9 × 210, 30.9 × 75, 31.6 × 100, 31.6 × 125, 31.6 × 150, 31.6 × 170, 31.6 × 180, 31.6 × 190, 31.6 × 210, 31.6 × 75, 34.9 × 100, 34.9 × 125, 34.9 × 150, 34.9 × 170, 34.9 × 180, 34.9 × 190, 34.9 × 210, 34.9 × 75
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Get: 27.2 × 100
Also fits: 27.2 × 65, 30.9 × 100, 30.9 × 125, 30.9 × 150, 30.9 × 70, 31.6 × 100, 31.6 × 125, 31.6 × 150, 31.6 × 70, 34.9 × 100, 34.9 × 125, 34.9 × 150
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Get: 30.9 × 110–140 (adj.)
Also fits: 30.9 × 140–170 (adj.), 30.9 × 180–210 (adj.), 31.6 × 110–140 (adj.), 31.6 × 140–170 (adj.), 31.6 × 180–210 (adj.), 34.9 × 110–140 (adj.), 34.9 × 140–170 (adj.), 34.9 × 180–210 (adj.)
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Get: 27.2 × 100
Also fits: 30.9 × 100, 30.9 × 125, 30.9 × 75, 31.6 × 100, 31.6 × 125, 31.6 × 75
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Get: 27.2 × 110
Also fits: 27.2 × 90
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Get: 27.2 × 100
Also fits: 27.2 × 125
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Get: 30.9 × 125
Also fits: 30.9 × 150, 30.9 × 175, 30.9 × 200, 31.6 × 125, 31.6 × 150, 31.6 × 175, 31.6 × 200
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Get: 27.2 × 70
Also fits: 30.9 × 120, 30.9 × 150, 30.9 × 170, 31.6 × 120, 31.6 × 150, 31.6 × 170, 34.9 × 150, 34.9 × 170
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Get: 30.9 × 150
Also fits: 31.6 × 150
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Get: 30.9 × 100
Also fits: 30.9 × 125, 30.9 × 150, 30.9 × 170, 31.6 × 100, 31.6 × 125, 31.6 × 150, 31.6 × 170
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