Carbon Aero XC Endurance 120mm SID Ultimate X0 AXS Transmission
$10,999.00
Efficiency goes a long way when you’re going a long way. Sunremo is our carbon endurance and XC bike designed for the toughest singletrack events on Earth. It all starts with our new Deluxe carbon construction, shaving more than 250 grams off our standard carbon with no compromise in ride quality, stiffness, or durability. Paired with 120mm of Split Pivot rear suspension travel, Sunremo offers awesome pedaling efficiency and traction. A 120mm RockShox SID Ultimate Flight Attendant fork smooths out even the roughest sections of singletrack.
Equip yourself for anything with Sunremo’s on-bike cargo mounts: carry two bottles (or up to three on MD–XL frames), a multitool, and tube, and use the top tube mounts for our EXP-R Series Trillium Top Tube Bag or a K-Edge computer mount. SRAM’s X0 Transmission drivetrain delivers precisions shifts in a blip while the WTB CZR Trail carbon wheels cut rotational weight to save you precious energy.
One ride on Sunremo C DLX X0 Transmission and you’ll see why it’s the best XC mountain bike when every ounce of effort and endurance matters.
Specs
| Frame | Spearfish Carbon Deluxe |
| Fork | RockShox SID Ultimate Flight Attendant, 120mm |
| Rear Shock | RockShox SIDLuxe Ultimate Flight Attendant |
| Rims | WTB CZR Trail Carbon i30, 28h |
| Hubs | Front: WTB Frequency 15x110mm Rear: WTB Frequency 12x148mm |
| Spokes | Double-butted |
| Tires | Teravail Camrock 29×2.4″, Light Trail casing, tan sidewall, WTB TCS Sealant included |
| Bottom Bracket | SRAM DUB PF92 MTB Wide |
| Crankset | SRAM X0 Eagle Transmission Power Meter Crankset, 32t; MRP 1x SL TR2 28–34t Direct-Mount Guide |
| Shifters | SRAM AXS Pod Rocker, Right and Left w/ MatchMaker X Clamps |
| Rear Derailleur | SRAM X0 Eagle Transmission |
| Cassette/Freewheel | SRAM X0 Eagle Transmission XS-1295, 10-52t, 12-speed |
| Chain | SRAM X0 Eagle Transmission Flattop |
| Brakes | SRAM Motive Ultimate Stealth, 4-piston |
| Rotors | SRAM CenterLine X (6-bolt w/ titanium bolts, 180mm front and rear) |
| Handlebars | Salsa Guide Carbon |
| Tape/Grips | WTB Wavelength Lock-On |
| Stem | Aluminum CNC |
| Headset | FSA Orbit 1.5E ZS NO.57E |
| Seatpost | RockShox Reverb AXS, XS: 125mm travel; SM–MD: 150mm travel; LG–XL: 170mm travel |
| Saddle | WTB Silverado, Medium, Steel SL, Fusion Form |
Geometry
| Size | X-Small | Small | Medium | Large | X-Large |
| Effective Top Tube (mm/in) | 567.8–568.6 mm (22.3–22.4″) | 584.9–585.7 mm (23.0–23.1″) | 606.9–607.7 mm (23.9–23.9″) | 629.0–629.8 mm (24.8–24.8″) | 651.1–651.9 mm (25.6–25.7″) |
| Stand Over (mm/in) | 716.4–719.1 mm (28.2–28.3″) | 716.3–719.2 mm (28.2–28.3″) | 716.3–719.2 mm (28.2–28.3″) | 716.2–719.3 mm (28.2–28.3″) | 716.2–719.3 mm (28.2–28.3″) |
| Reach (mm/in) | 431.4–435.0 mm (17.0–17.1″) | 446.5–450.0 mm (17.6–17.7″) | 466.5–470.0 mm (18.4–18.5″) | 486.4–490.0 mm (19.1–19.3″) | 506.5–510.0 mm (19.9–20.1″) |
| Stack (mm/in) | 589.3–591.9 mm (23.2–23.3″) | 598.4–601.1 mm (23.6–23.7″) | 607.6–610.3 mm (23.9–24.0″) | 616.7–619.6 mm (24.3–24.4″) | 625.9–628.8 mm (24.6–24.7″) |
| Seat Tube Length (mm/in) | 380.0 mm (15.0″) | 405.0 mm (15.9″) | 430.0 mm (16.9″) | 455.0 mm (17.9″) | 480.0 mm (18.9″) |
| Headtube Length (mm/in) | 95.0 mm (3.7″) | 105.0 mm (4.1″) | 115.0 mm (4.5″) | 125.0 mm (4.9″) | 130.0 mm (5.1″) |
| Headtube Angle (degrees) | 66.3° – 66.0° | 66.3° – 66.0° | 66.3° – 66.0° | 66.3° – 66.0° | 66.3° – 66.0° |
| Seat Tube Angle (degrees) | 77.3° – 77.0° | 77.3° – 77.0° | 77.3° – 77.0° | 77.3° – 77.0° | 77.3° – 77.0° |
| Bottom Bracket Drop (mm/in) | 31.0–35.4 mm (1.2–1.4″) | 31.0–35.5 mm (1.2–1.4″) | 31.0–35.5 mm (1.2–1.4″) | 31.0–35.6 mm (1.2–1.4″) | 31.0–35.6 mm (1.2–1.4″) |
| Bottom Bracket Height (mm/in) | 337.6–342.0 mm (13.3–13.5″) | 337.5–342.0 mm (13.3–13.5″) | 337.5–342.0 mm (13.3–13.5″) | 337.4–342.0 mm (13.3–13.5″) | 337.4–342.0 mm (13.3–13.5″) |
| Chainstay Length (mm/in) | 430.0–431.2 mm (16.9–17.0″) | 430.0–431.2 mm (16.9–17.0″) | 430.0–431.2 mm (16.9–17.0″) | 430.0–431.2 mm (16.9–17.0″) | 430.0–431.2 mm (16.9–17.0″) |
| Fork Length (Axle to Crown) (mm/in) | 530.0 mm (20.9″) | 530.0 mm (20.9″) | 530.0 mm (20.9″) | 530.0 mm (20.9″) | 530.0 mm (20.9″) |
| Fork Offset (mm/in) | 44.0 mm (1.7″) | 44.0 mm (1.7″) | 44.0 mm (1.7″) | 44.0 mm (1.7″) | 44.0 mm (1.7″) |
| Wheelbase (mm/in) | 1157.0–1157.7 mm (45.6–45.6″) | 1176.1–1176.7 mm (46.3–46.3″) | 1200.0–1200.7 mm (47.2–47.3″) | 1224.1–1224.7 mm (48.2–48.2″) | 1248.1–1248.7 mm (49.1–49.2″) |
| Crank Arm Length (mm/in) | 165.0 mm (6.5″) | 165.0 mm (6.5″) | 165.0 mm (6.5″) | 170.0 mm (6.7″) | 170.0 mm (6.7″) |
| Handlebar Width (mm/in) | 760.0 mm (29.9″) | 760.0 mm (29.9″) | 800.0 mm (31.5″) | 800.0 mm (31.5″) | 800.0 mm (31.5″) |
| Recommended Rider Height (mm/in) | 146.0–159.0 cm (4’9″–5’2″) | 157.0–170.0 cm (5’2″–5’7″) | 168.0–180.0 cm (5’6″–5’11”) | 178.0–191.0 cm (5’10″–6’3″) | 188.0 cm (6’2″) |
| Stem Length (mm/in) | 40.0 mm (1.6″) | 40.0 mm (1.6″) | 40.0 mm (1.6″) | 40.0 mm (1.6″) | 40.0 mm (1.6″) |
| Size | L, M, S, XL, XS |
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Frequently Asked Questions
1.Do you provide OEM manufacturing services for private brands?
Yes. Sunremo has over 20 years of experience in OEM manufacturing, delivering premium-quality customized bicycle frames for global brands. From material selection to final quality inspection, every step follows strict manufacturing standards to ensure consistency, reliability, and long-term performance.
2.Can you develop a custom frame design exclusively for our brand?
Absolutely. We offer both OEM and ODM solutions. Whether you already have drawings or need full product development from concept, our engineering team supports geometry design, layup optimization, prototyping, testing, and mass production — ensuring your product stands out in both performance and branding.
3.Do you work with small or emerging brands?
Yes. We partner with brands of all sizes, from startups to established international companies. Our flexible production system allows scalable order quantities while maintaining the same quality standards and technical support.
4.What is your minimum order quantity (MOQ)?
MOQ depends on the model and customization level.
Standard models: The standard MOQ is 100 pieces
Full custom ODM projects: discussed based on tooling and development scope
Please contact us for an accurate quotation.
5.Can you provide samples or prototypes before mass production?
Yes. We strongly recommend sample validation before bulk production.
Prototype lead time is usually 20–45 days, depending on complexity and testing requirements.
6.What quality standards and certifications do you follow?
Our frames are manufactured under strict quality management systems.
Products can be tested and certified according to ISO, EN, and UCI standards upon request, ensuring compliance with international safety and performance requirements.
7.What warranty do you offer?
Sunremo provides a 2–5 year structural warranty depending on the frame model and application. Detailed warranty terms are supplied with each project.
8.What payment methods do you accept?
We accept secure and flexible payment methods including T/T, L/C, D/P, D/A, PayPal, and bank transfer.
9.How long is production and delivery time?
Production time depends on order volume and customization level:
10.Why choose Sunremo as your manufacturing partner?
✅ Direct factory with stable production capacity
✅ Advanced carbon fiber manufacturing expertise
✅ Strict QC and traceability system
✅ Flexible OEM/ODM cooperation model
✅ Competitive pricing with premium quality
✅ Professional international communication support












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