
Race Face Ride XC Seatpost Black, 30.9x375mm
Replacement option
Velopedia Bicycle Archive
Original specifications: 27.5; 29 wheels · 12.58 kg (27 lb, 11.7 oz) published weight · geometry for 6 published sizes.
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At a glance
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2024 archived details
Clues, not proof of model year. Colors vary and components may have been replaced.
| Frame Construction | Specialized A1 premium butted alloy, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger, stealth rack mounts, dropper post compatible |
|---|---|
| Frame Material | Aluminum |
| Fork | RockShox Judy, Solo Air, Turnkey damper, 46mm offset, QR, 80/90/100mm travel (size-specific), steel steerer |
| Fork Material | Steel |
| Shifters | Shimano Deore, RapidFire Plus, 10-speed |
|---|---|
| Rear Derailleur | Shimano Deore, RD-M5120, 10-speed |
| Crankset | Stout 1x, forged alloy |
| Bottom Bracket | Square-tapered, 73mm, internal bearings, 122.5mm spindle |
| BB Shell Width | 73 mm |
| Cassette | Sunrace, 11-46t, 10spd |
| Chain | KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™ |
| Brakes | (F) Shimano BR-MT200, hydraulic disc ,180/160mm / (R) Shimano BR-MT200, hydraulic disc, 160 mm |
|---|
| Handlebar | Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm |
|---|---|
| Stem | Stout 3D-forged alloy, 31.8mm, 6-degree rise |
| Saddle | Bridge Sport, Steel rails, 155/143mm |
| Seatpost | Alloy, 2-bolt clamp, 30.9mm |
| Hubs | (F) Formula DC-20, 6-Bolt, disc, 100x9mm spacing, quick-release / (R) Formula DC-22, 6-Bolt freehub, disc, 135x9mm spacing, quick-release |
|---|---|
| Rims | Specialized Alloy, hookless, Tubeless ready, 25mm inner width |
| Spokes | Stainless, 14g |
| Front Tire | Fast Trak Sport, 650b/29x2.35" |
| Rear Tire | Fast Trak Sport, 650b/29x2.35" |
| Wheel Size | 27.5; 29 |
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Frame measurements by size.
Frame diagram
Select an available measurement to locate it on the frame.
| Measurement | XS - 27.5 | S - 27.5 | M - 27.5 | S - 29 | M - 29 | L - 29 | XL - 29 | XXL - 29 |
|---|---|---|---|---|---|---|---|---|
| Seat tube | 310 mm | 350 mm | 360 mm | 400 mm | 400 mm | 450 mm | 500 mm | 560 mm |
| Effective top tube | 541 mm | 565 mm | 586 mm | 589 mm | 608 mm | 630 mm | 654 mm | 679 mm |
| Head tube | 95 mm | 100 mm | 95 mm | 105 mm | 95 mm | 105 mm | 120 mm | 135 mm |
| Head-tube angle | 68° | 68° | 68.5° | 68° | 68.5° | 68.5° | 68.5° | 68.5° |
| Seat-tube angle | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° |
| Chainstay / rear center | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1067 mm | 1092 mm | 1105 mm | 1118 mm | 1128 mm | 1152 mm | 1178 mm | 1203 mm |
| Bottom-bracket drop | 43 mm | 43 mm | 62 mm | 43 mm | 62 mm | 62 mm | 62 mm | 62 mm |
| Bottom-bracket height | 310 mm | 310 mm | 310 mm | 310 mm | 310 mm | 310 mm | 310 mm | 310 mm |
| Reach | 375 mm | 395 mm | 405 mm | 415 mm | 425 mm | 445 mm | 465 mm | 485 mm |
| Stack | 559 mm | 573 mm | 607 mm | 589 mm | 616 mm | 626 mm | 640 mm | 654 mm |
| Standover height | 658 mm | 695 mm | 732 mm | 735 mm | 754 mm | 781 mm | 820 mm | 853 mm |
| Fork offset / rake | 42 mm | 42 mm | 46 mm | 42 mm | 46 mm | 46 mm | 46 mm | 46 mm |
| Front center | 630 mm | 656 mm | 672 mm | 682 mm | 696 mm | 719 mm | 745 mm | 770 mm |
| Trail | 97 mm | 97 mm | 97 mm | 97 mm | 97 mm | 97 mm | 97 mm | 97 mm |
| Fork length / axle-to-crown | 475 mm | 485 mm | 505 mm | 495 mm | 515 mm | 515 mm | 515 mm | 515 mm |
| Seatpost length | 300 mm | 350 mm | 400 mm | 350 mm | 400 mm | 400 mm | 400 mm | 400 mm |
| Crank length | 165 mm | 170 mm | 170 mm | 170 mm | 170 mm | 170 mm | 175 mm | 175 mm |
| Stem length | 35 mm | 45 mm | 60 mm | 45 mm | 60 mm | 60 mm | 70 mm | 70 mm |
| Handlebar width | 700 mm | 720 mm | 740 mm | 720 mm | 740 mm | 740 mm | 740 mm | 740 mm |
| Wheel size | 27.5in | 27.5in | 29in | 27.5in | 29in | 29in | 29in | 29in |
Dimensions as recorded.
Original gearing is incomplete. Enter your setup to calculate ratios and cadence speeds.
Your changes apply to this calculation. The archived build stays unchanged.
| Measure | Original | Your setup |
|---|---|---|
| Lowest ratio | — | — |
| Highest ratio | — | — |
| Total range | — | — |
| Lowest-gear speed | — | — |
| Highest-gear speed | — | — |
Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.
Parts & serviceability
2-bolt clamp, 30.9mm

Replacement option
X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™
11-46t, 10spd
hydraulic disc ,180/160mm / (R) Shimano BR-MT200, hydraulic disc, 160 mm
RapidFire Plus, 10-speed
hookless, Tubeless ready, 25mm inner width
Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.
Archived specifications for reference. Check the fitted parts before ordering.
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Archived: 2024 Specialized Rockhopper Comp · Mountain · Published sizes: XS, S, M, L, XL, XXL
Archived: Frame: Specialized A1 premium butted alloy, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger, stealth rack mounts, dropper post compatible · Fork: RockShox Judy, Solo Air, Turnkey damper, 46mm offset, QR, 80/90/100mm travel (size-specific), steel steerer · Steel
Archived: Fork: RockShox Judy, Solo Air, Turnkey damper, 46mm offset, QR, 80/90/100mm travel (size-specific), steel steerer
Archived: Shifters: Shimano Deore, RapidFire Plus, 10-speed · Rear derailleur: Shimano Deore, RD-M5120, 10-speed · Crankset: Stout 1x, forged alloy · Bottom bracket: Square-tapered, 73mm, internal bearings, 122.5mm spindle · Cassette: Sunrace, 11-46t, 10spd · Chain: KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™
Archived: Brakes: (F) Shimano BR-MT200, hydraulic disc ,180/160mm / (R) Shimano BR-MT200, hydraulic disc, 160 mm
Archived: Wheel size: 27.5; 29 · Rims: Specialized Alloy, hookless, Tubeless ready, 25mm inner width · Hubs: (F) Formula DC-20, 6-Bolt, disc, 100x9mm spacing, quick-release / (R) Formula DC-22, 6-Bolt freehub, disc, 135x9mm spacing, quick-release · Front tire: Fast Trak Sport, 650b/29x2.35" · Rear tire: Fast Trak Sport, 650b/29x2.35"
Archived: Handlebar: Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm · Stem: Stout 3D-forged alloy, 31.8mm, 6-degree rise · Seatpost: Alloy, 2-bolt clamp, 30.9mm · Saddle: Bridge Sport, Steel rails, 155/143mm
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.