
SRAM XG-1275 GX Eagle 12-Speed Cassette Black, 10-50t
10-50t
Velopedia Bicycle Archive
Original specifications: 700c wheels · 30.58lbs / 13.87kg published weight · geometry for 5 published sizes.
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At a glance
| Frame Construction | Carbon CC Gravel |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | Carbon |
| Fork Material | Carbon Fiber |
| Shifters | SRAM Apex |
|---|---|
| Rear Derailleur | SRAM Apex Eagle, 12spd |
| Crankset | Praxis eTor AL, 107BCD S: 165mm, M/L: 170mm, XL/XXL: 172.mm |
| Cassette | SRAM XG1275 Eagle, 12spd, 10-50t |
| Chain | SRAM SX Eagle, 12spd |
| Brakes | SRAM Apex |
|---|
| Headset | FSA IS-2/47/42 ACB |
|---|---|
| Handlebar | Zipp Service Course 70 XPLR AL Bar, 31.8 S: 42cm, M: 44cm, L/XL/XXL: 46cm |
| Stem | Zipp Service Course Stem All Sizes: 70mm |
| Saddle | WTB Silverado Medium, CroMo |
| Seatpost | Zipp Service Course, 27.2 All Sizes: 350m |
| Hubs | (F) WTB Frequency Sport, 12x100, Centerlock, 28h / (R) WTB Frequency Sport, 12x148, XD, Centerlock, 28h |
|---|---|
| Rims | (F) WTB ASYM i25 28h 700c / (R) WTB ASYM i25 28h 700c |
| Front Tire | Schwalbe G-One Overland, Pro EVO, 700x45c |
| Rear Tire | Schwalbe G-One Overland, Pro EVO, 700x45c |
| Wheel Size | 700c |
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
| Measurement | S | M | L | XL | XXL |
|---|---|---|---|---|---|
| Seat tube | 455 mm | 485 mm | 515 mm | 545 mm | 575 mm |
| Top tube | 551 mm | 571 mm | 591 mm | 610 mm | 630 mm |
| Head tube | 105 mm | 125 mm | 145 mm | 160 mm | 180 mm |
| Head-tube angle | 69° | 69° | 69° | 69° | 69° |
| Seat-tube angle | 74° | 74° | 74° | 74° | 74° |
| Chainstay / rear center | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm |
| Wheelbase | 1047 mm | 1070 mm | 1092 mm | 1112 mm | 1135 mm |
| Bottom-bracket drop | 78 mm | 76 mm | 76 mm | 74 mm | 74 mm |
| Bottom-bracket height | 279 mm | 281 mm | 281 mm | 283 mm | 283 mm |
| Reach | 390 mm | 405 mm | 420 mm | 435 mm | 450 mm |
| Stack | 563 mm | 579 mm | 596 mm | 610 mm | 630 mm |
| Standover height | 728 mm | 753 mm | 778 mm | 804 mm | 830 mm |
| Front center | 624 mm | 646 mm | 668 mm | 689 mm | 711 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Parts & serviceability

10-50t

700x45
Replacement option · verify fit

700x45
Replacement option · verify fit

52t Max

70mm/6 deg

27.2x350mm
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: 2026 Santa Cruz Skitch Apex · Electric-assist · Published sizes: S, M, L, XL, XXL
Archived: Frame: Carbon CC Gravel · Fork: Carbon · Carbon Fiber
Archived: Shifters: SRAM Apex · Rear derailleur: SRAM Apex Eagle, 12spd · Crankset: Praxis eTor AL, 107BCD S: 165mm, M/L: 170mm, XL/XXL: 172.mm · Cassette: SRAM XG1275 Eagle, 12spd, 10-50t · Chain: SRAM SX Eagle, 12spd
Archived: Brakes: SRAM Apex
Archived: Wheel size: 700c · Rims: (F) WTB ASYM i25 28h 700c / (R) WTB ASYM i25 28h 700c · Hubs: (F) WTB Frequency Sport, 12x100, Centerlock, 28h / (R) WTB Frequency Sport, 12x148, XD, Centerlock, 28h · Front tire: Schwalbe G-One Overland, Pro EVO, 700x45c · Rear tire: Schwalbe G-One Overland, Pro EVO, 700x45c
Archived: Headset: FSA IS-2/47/42 ACB · Handlebar: Zipp Service Course 70 XPLR AL Bar, 31.8 S: 42cm, M: 44cm, L/XL/XXL: 46cm · Stem: Zipp Service Course Stem All Sizes: 70mm · Seatpost: Zipp Service Course, 27.2 All Sizes: 350m · Saddle: WTB Silverado Medium, CroMo
Archived: Santa Cruz Skitch Apex · electric-assist identification
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.