The XMCS Gran Turismo is a one-piece molded carbon frameset that impresses reviewers and owners with its advanced jointless construction, clean internal finish, and strong value, while a handful of early-production issues (seatpost tolerance, minor hardware quality, mandatory decals) have been addressed in later revisions. Both independent voices agree it is a high-quality, competitively priced aero-endurance frame that undercuts Western brands, with the main caveats being limited tire clearance and some assembly-related quirks.
Pros
- One-piece molded construction (no adhesive joints) results in a stronger, smoother interior and easier cable routing1
- Excellent build quality and finish on critical areas (headset seats, bottom bracket threads, dropouts)12
- Competitive pricing undercuts similar frames from Winspace and Elves12
- Comfortable yet aerodynamic ride with stable handling, especially descending, due to long chainstays2
- Stiff and responsive under power with no noticeable flex during climbing or sprinting2
- Excellent customer service from Peter at Carbon Speed, who listens to feedback and continuously improves the product12
- T47 bottom bracket with good threads and no issues1
- Non-proprietary headset compression system, interchangeable with other brands1
- Internal routing for cables/hoses from handlebars through frame1
- Removable front derailleur hanger for 1X compatibility1
Cons
- Early production frames had seatpost tolerance issues causing sticking/seizing; manufacturer states resolved in later production2
- Limited tire clearance (max ~35mm with 4mm clearance), long chainstays don't improve clearance2
- Mandatory decals on painted frames (especially 'Revenger') are unpopular; newer frames have fewer mandatory decals2
- Some riders experience saddle rail slippage, requiring higher torque than recommended 6Nm; may be saddle-specific2
- Front brake rub when out of the saddle and moving front wheel side to side, possibly due to fork blade flex or caliper compatibility2
- Finishing components quality issues: poorly threaded compression nut, faulty upper headset bearing, slightly elliptical plug hole1
- Nude finish makes blemishes more visible (one small speck noted on top tube)1
- Does not come with a manual or some expected accessories1
- Not as high quality as premium brands like Evolved Chamers1
Key Facts
- Frame weight measured at 987g (Hambini) and ~997g (size 56, raw, forum), fork 393g vs ~383g uncut12
- One-piece molded construction with no adhesive joints, EPS molded for smooth interior1
- T47 bottom bracket (86.5mm standard; T47i internal preferred for stiffness/aero)12
- Oversized headset: 1.5" top and bottom, 52mm bearings, non-proprietary compression system1
- T800 carbon fiber construction with internal cable routing and UDH hanger2
- Endurance geometry: high stack, low reach, 73° seat tube angle, 422mm chainstays2
- Price range ~$1009 (unpainted frame only) to ~$1350 (painted with handlebar), including shipping/taxes2
- Maximum tire clearance ~35mm with 4mm clearance; 35C on 26mm internal rim measures ~38mm2
- Seat post weight 133g; handlebar 380mm wide, 130mm drop, 77mm reach, 100mm stem, -10°1
Reviews & Ratings
17:34The reviewer provides a detailed analysis of the XM Carbon Speed XMCS Gran Turismo frameset. They note it is a one-piece molded frame, which is complex and expensive to manufacture, contrasting it with typical multi-piece frames that have adhesive joints. The frame arrives with a fork, handlebars, seat post, headset spacers, bearings, and other accessories. It has a nude carbon finish with clear lacquer, a T47 bottom bracket, internal routing, an oversized headset, and dropped seat stays. The reviewer highlights the clean internal construction with no visible joints, good finishing on critical interfaces, and overall solid build quality. They mention it is not as high-end as brands like Evolved Chamers and lacks some accessories like a manual, but it is also not as expensive. They plan to build and ride it for further subjective feedback.
15:17The reviewer discusses the XMCS Gran Turismo (also referred to as Carbon Speed) frame, highlighting its one-piece construction, competitive pricing, and overall high frame quality. He notes that the frame is made in a single mold, which is technically complex and results in a smooth interior with no overlapping joints, making cable routing easy. The frame is EPS molded, leading to a better finish. However, he experienced issues with some finishing components, such as a poorly threaded compression nut and a faulty upper headset bearing. Despite these, he praises the customer service and considers the frame a high-quality product that undercuts competitors like Winspace and Elves.
The XM Carbon Speed XMCS Gran Turismo frameset is an aero road bike with endurance geometry, featuring high stack and low reach for a comfortable yet aerodynamic riding position. It uses T800 carbon fiber with T47 bottom bracket (T47i internal preferred for stiffness/aero), UDH hanger, and internal cable routing. The frame is praised for its build quality, smooth ride comfort, and stable handling due to long chainstays (422mm). Price ranges from ~$1009 (unpainted) to ~$1350 (painted with handlebar), though some regions see higher pricing (e.g., $1200 discounted from $1600). Weight is approximately 997g for frame (size 56, raw carbon) and 383g for fork. Paint jobs are available but decals (especially "Revenger") are controversial; newer frames may have fewer mandatory decals. Some early units had seatpost tolerance issues (sticking), but manufacturer states these are resolved in later production, and a new v2 seatpost with dual-bolt adjustment is now available. Riders report excellent comfort and responsiveness, with some experiencing saddle rail slippage (often resolved by changing saddles) and occasional front brake rub when out of the saddle, possibly due to fork flex or caliper compatibility. A one-piece riser handlebar option is available. The frameset continues to receive positive long-term reviews, with users noting it is faster than previous bikes and that Peter actively incorporates customer feedback.
AI Summary
Pros
- Excellent build quality and finish, with top-tier carbon layup and attention to detail
- Comfortable yet aerodynamic ride, with smooth handling and good stability (especially descending)
- Good value for money compared to Western brands, with responsive customer service from Peter/XMCS
more pros in the review
Cons
- Early production frames had seatpost tolerance issues causing sticking/seizing, even without carbon paste
- Slack seat tube angle (73°) combined with setback seatpost may limit forward saddle position for some riders
- Limited tire clearance (max ~35mm with 4mm clearance), and long chainstays don't improve clearance
more cons in the review
Key Points
- T800 carbon fiber construction
- T47 bottom bracket (preferably T47i internal)
- Endurance geometry: high stack, low reach
more key points in the review
Where to Buy
XM Carbon Speed XMCS Gran Turismo frameset
GT - Carbon Frameset - Light green | xmcs.nl
Specifications
Attributes
Included Components
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Questions about XMCS Gran Turismo
Price & value
1Sizing & fit
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4Build & setup
1Ride & performance
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