The Spcycle G028 is a highly versatile carbon gravel frameset offering exceptional tire clearance up to 57mm or 2.25" MTB tires, modern standards like T47 BB and UDH, and a lightweight frame. However, quality control issues, particularly with the fork and paint, have been reported, along with some minor fitment problems. Despite these, early builds show successful setups with various groupsets and positive ride quality.
Pros
- Very large tire clearance (up to 57mm or 2.25" MTB tires) verified by multiple users.12
- Modern standards: T47 BB, UDH hanger, full internal routing, flat mount disc brakes.2
- Lightweight carbon frame (claimed 1000-1050g) and fork (~450-460g).2
- Available with custom paint and option to order without rivets on fork/seatstays.12
- Competitive pricing: around $628-924 depending on source.2
- Ride quality praised: stable, responsive, comfortable no-hands riding.2
- Successful builds with various groupsets (SRAM, Shimano, Wheeltop) and 1x/2x setups.2
- Lower BB drop (80mm) for lower center of gravity and longer reach reduces toe overlap.1
- ISO 4210 certified.2
Cons
- Fork quality issues: rough finish, voids, exposed fibers, delamination; some deemed unsafe; replacement forks still have poor finish.2
- Paint overspray and QC issues (orange peel, scuffs) reported.2
- Headset preload issues: gap, clicking; may require shims or third-party parts.2
- Plastic downtube storage door does not seal well; water and dust ingress.2
- Seat tube may be too narrow for some seatposts; requires sanding (one user removed visible carbon).2
- No build instructions or torque specs provided initially.2
- Fork lacks fender mounts (only cage mounts).2
- Long chainstays (435mm) may be slightly longer than ideal.12
Key Facts
- Tire clearance: 700x57C or 29x2.25" (57mm) verified; 55mm tires have ~8mm clearance at chainstays; 2.25" Thunder Burt fits with ~5-6mm clearance; 2.35" may be too tight in rear.12
- Frame weight: claimed ~1000-1050g (size M unpainted), but actual raw carbon with clear coat measured 1200g; fork ~460g.2
- Material: Toray T1000 + T1100 carbon fiber.2
- Bottom bracket: T47 threaded, 85.5mm shell width.2
- BB drop: 80mm.12
- Chainstay length: 435mm; reach for size M: 393mm.1
- Compatible with 1x and 2x drivetrains; max chainring for 2x: 48T big ring fits; 1x setups with SRAM Force XPLR and Shimano XT used.2
- Official torque specs: seatpost clamp 6 N·m, compression plug 12-15 N·m, T47 BB 25-40 N·m.2
Reviews & Ratings
01:06:24The reviewer discusses the Spcycle G028 Gravel frame, highlighting its features such as tire clearance for up to 57mm or MTB tires, a dropped bottom bracket for stability, and a longer reach for better fit. He notes that the frame is made by Tantan, a reputable Chinese manufacturer, and comes with a DH dropout and internal storage. He recommends the frame for its geometry and versatility, though he mentions the chainstay length is a bit long but acceptable.
The SPCycle G028 is a new carbon gravel frameset offering massive tire clearance up to 700x57C or 29x2.25 inches, making it suitable for monster-cross or drop-bar MTB builds. It features Toray T1000/T1100 carbon, T47 threaded bottom bracket (85.5mm shell), UDH hanger, full internal routing, and flat mount disc brakes. Frame weight is around 1000-1050g (size M unpainted) and fork ~450g, though actual weights can be higher (e.g., 1200g frame, 460g fork for raw carbon with clear coat). It has passed ISO 4210 testing. Sizes M and L are available now; S and XL expected mid-May 2026. Pricing is competitive: available on AliExpress for around $739-924, or from the SPCycle website for about $628 including DDP shipping. The frame can be ordered without rivets on fork/seatstays or with custom paint upon request. Multiple metallic colors are offered. However, significant quality concerns have been reported: many forks exhibit rough machining, voids, and exposed carbon fibers around the brake hose port, with some users deeming them unsafe. Seller has agreed to replace some defective forks, but replacement forks still have poor finish. Other issues include paint overspray, headset preload problems requiring shims or third-party parts, a poorly sealing plastic storage door, mismatched thru axles, and absence of build instructions. Some users have also reported a too-narrow seat tube requiring sanding. Communication with the seller can be slow but some users received responsive support. Despite these drawbacks, early builds report a good ride quality, ample tire clearance, and successful builds with various groupsets (SRAM, Shimano, Wheeltop) and 1x/2x setups. The frame has seen considerable sales and positive feedback on geometry and modern standards. Official torque specs are now available: seatpost clamp 6 N·m, compression plug 12-15 N·m, T47 BB 25-40 N·m.
AI Summary
Pros
- Very large tire clearance (700x57C / 29x2.25")
- Lightweight carbon frame (1000-1050g) and fork (450g)
- Modern standards: T47 BB, UDH hanger, full internal routing
more pros in the review
Cons
- Long chainstays (435mm) may be a negative for some
- Paint overspray in BB area and rear brake mount
- Aesthetic: angled headtube design seen as unnecessary by some
more cons in the review
Key Points
- Material: Toray T1000 + T1100 carbon fiber
- Tire clearance: 700x57C or 29x2.25"
- Bottom bracket: T47 threaded, 85.5mm shell width
more key points in the review
Where to Buy
Spcycle G028 Carbon Gravel Bike Frame 700x57C UDH Hanger Full Internal Cable Gravel Bicycle Carbon Frameset
Spcycle G028 Carbon Gravel Bike Frame 700x57C UDH Hanger Full Internal Cable Gravel Bicycle Carbon Frameset
Specifications
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Ordering & delivery
6Sizing & fit
2Compatibility
10Build & setup
4Durability & quality
1Finish & options
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