
SRAM XS-1275 GX Eagle Transmission 12-Speed Cassette Black, 10-52t
10-52t
Velopedia Bicycle Archive
Original specifications: 29" wheels · 28lb 14oz published weight · geometry for 5 published sizes.
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At a glance
| Frame Construction | Carbon |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | RockShox SID Select+ 2-position, 120mm |
| Shifters | SRAM Eagle 90, MatchMaker X Clamp |
|---|---|
| Rear Derailleur | SRAM Eagle 90 Transmission |
| Crankset | SRAM Eagle 90, 32t w/MRP 1x SL TR2 28-34t Direct Mount Guide |
| Bottom Bracket | SRAM DUB PF92 MTB Wide |
| Cassette | SRAM GX Eagle Transmission XS-1275, 10-52t, 12-speed |
| Chain | SRAM Eagle 70 Transmisssion Flattop |
| Brakes | Brake Calipers: SRAM DB8 Stealth; Brake Levers: SRAM DB8 Stealth; Rotors: SRAM CenterLine2.0 (6-bolt, 180mm front and rear) |
|---|
| Headset | FSA Orbit 1.5E ZS NO.57E |
|---|---|
| Handlebar | Race Face Aeffect |
| Stem | Salsa 35.0 Guide Trail, 50mm |
| Saddle | WTB Silverado, Medium, Cromoly, DNAx |
| Seatpost | TranzX YSI08 RAD+ Dropper Post w/ GL Stealth MMX Lever, XS: 125mm travel; SM–MD: 150mm travel; LG–XL: 170mm travel |
| Hubs | (F) WTB Frequency Sport 15x110mm / (R) WTB Frequency Boost 12x148mm |
|---|---|
| Rims | WTB Asym I30 TCS, 28H |
| Spokes | Double-butted Pillar Stainless Steel, black |
| Front Tire | Teravail Camrock 29x2.4", Light Trail casing, WTB TCS Sealant included |
| Rear Tire | Teravail Camrock 29x2.4", Light Trail casing, WTB TCS Sealant included |
| Wheel Size | 29" |
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
| Measurement | X-Small | Small | Medium | Large | X-Large |
|---|---|---|---|---|---|
| Seat tube | 380 mm | 405 mm | 430 mm | 455 mm | 480 mm |
| Effective top tube | 567.8 mm | 584.9 mm | 606.9 mm | 629 mm | 651.1 mm |
| Head tube | 95 mm | 105 mm | 115 mm | 125 mm | 130 mm |
| Head-tube angle | 66.3- 66.0 | 66.3- 66.0 | 66.3- 66.0 | 66.3- 66.0 | 66.3- 66.0 |
| Seat-tube angle | 77.3- 77.0 | 77.3- 77.0 | 77.3- 77.0 | 77.3- 77.0 | 77.3- 77.0 |
| Chainstay / rear center | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm |
| Wheelbase | 1157 mm | 1176.1 mm | 1200 mm | 1224.1 mm | 1248.1 mm |
| Bottom-bracket drop | 31 mm | 31 mm | 31 mm | 31 mm | 31 mm |
| Bottom-bracket height | 342 mm | 342 mm | 342 mm | 342 mm | 342 mm |
| Reach | 435 mm | 450 mm | 470 mm | 490 mm | 510 mm |
| Stack | 589.3 mm | 598.4 mm | 607.6 mm | 616.7 mm | 625.9 mm |
| Standover height | 719.1 mm | 719.2 mm | 719.2 mm | 719.3 mm | 719.3 mm |
| Fork offset / rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Fork length / axle-to-crown | 530 mm | 530 mm | 530 mm | 530 mm | 530 mm |
| Crank length | 165 mm | 165 mm | 165 mm | 170 mm | 170 mm |
| Stem length | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Handlebar width | 760 mm | 760 mm | 800 mm | 800 mm | 800 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Parts & serviceability

10-52t
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
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: 2025 Salsa Spearfish C Eagle 90 Transmission · Mountain · Published sizes: XS, S, M, L, XL
Archived: Frame: Carbon · Fork: RockShox SID Select+ 2-position, 120mm
Archived: Fork: RockShox SID Select+ 2-position, 120mm
Archived: Shifters: SRAM Eagle 90, MatchMaker X Clamp · Rear derailleur: SRAM Eagle 90 Transmission · Crankset: SRAM Eagle 90, 32t w/MRP 1x SL TR2 28-34t Direct Mount Guide · Bottom bracket: SRAM DUB PF92 MTB Wide · Cassette: SRAM GX Eagle Transmission XS-1275, 10-52t, 12-speed · Chain: SRAM Eagle 70 Transmisssion Flattop
Archived: Brakes: Brake Calipers: SRAM DB8 Stealth; Brake Levers: SRAM DB8 Stealth; Rotors: SRAM CenterLine2.0 (6-bolt, 180mm front and rear)
Archived: Wheel size: 29" · Rims: WTB ASYM i30 TCS, 28h · Hubs: (F) WTB Frequency Sport 15x110mm / (R) WTB Frequency Boost 12x148mm · Front tire: Teravail Camrock 29x2.4", Light Trail casing, WTB TCS Sealant included · Rear tire: Teravail Camrock 29x2.4", Light Trail casing, WTB TCS Sealant included
Archived: Headset: FSA Orbit 1.5E ZS NO.57E · Handlebar: Race Face Aeffect · Stem: Salsa 35.0 Guide Trail, 50mm · Seatpost: TranzX YSI08 RAD+ Dropper Post w/ GL Stealth MMX Lever, XS: 125mm travel; SM–MD: 150mm travel; LG–XL: 170mm travel · Saddle: WTB Silverado, Medium, Cromoly, DNAx
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.