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The Speeder Cycling SC-R55D is a carbon integrated road disc frameset that has generated significant discussion among forum users. Key attributes include a price of approximately $660 for the frameset plus shipping, frame weights ranging from 842g (unpainted size 535) to 930g (painted size 51), and material using Toray M40J T700/T800 carbon (with later mentions of T800/1100 and MJ40). It features BB86.5 press-fit bottom bracket (with T47 option later available), full internal cable routing, Di2 compatibility, flat mount disc brakes, UDH (Universal Derailleur Hanger), and max tire clearance of 700x32c (though users report fitting up to 34-35mm actual width). The frame comes in sizes from 45cm to 57cm with integrated handlebar/stem options. Users generally praise the frame's quality, value, and performance, though some note concerns about BB86, seatpost clamp design, and occasional quality control issues.
AI-Generated Forum Summary
Pros
- Excellent value for money with high-quality finish and construction
- Good weight for an aero frame (780g-930g depending on size and finish)
- Stiff and responsive ride quality with good power transfer
- Aero design comparable to higher-end frames like Specialized SL8
- Good customer service from Justin at Speeder (when responsive)
- UDH compatibility for easy derailleur hanger replacement
- Available in T47 bottom bracket option (later production)
Cons
- BB86 bottom bracket can be problematic (undersized, creaking issues)
- Seatpost clamp design is problematic (slipping, creaking, difficult to adjust)
- Inconsistent communication and slow response times from Speeder
- Some quality control issues reported (delamination, rough threads, paint flaws)
- Handlebar shape and reach not ideal for some users
- Firm ride quality compared to endurance bikes
- Limited tire clearance compared to some modern frames
Key Points
- Toray M40J T700/T800 carbon construction (later T800/1100)
- BB86.5 press-fit bottom bracket (T47 option available)
- UDH (Universal Derailleur Hanger) compatible
- Full internal cable routing
- Di2 electronic shifting compatible
- Flat mount disc brakes
- Max tire clearance: 700x32c (users report 34-35mm fits)
- Frame weights: 780g-930g depending on size/finish
- Sizes: 45cm, 48cm, 51cm, 54cm, 57cm
- Price: ~$660 frameset + shipping
- ISO 4210 tested
- 2-year warranty
Frequently Asked Questions
What is the delivery time?
Typically 4-8 weeks from order to delivery, with production taking 3-4 weeks and shipping 1-3 weeks. Some users reported longer waits during busy periods.
What is the actual tire clearance?
Officially 700x32c, but users report fitting 33-34mm measured tires (30mm labeled on 26mm internal rims). Chainstays are the tightest point with ~40mm width. Front fork can fit wider tires.
Is custom paint available?
Limited custom paint options. Some users got custom finishes, but Speeder often refuses single-frame custom paint. Ready-to-paint (RTP) raw carbon is available.
How does it compare to Tavelo Arow/Winspace frames?
Similar designs likely from related factories, but with differences in geometry, seatpost clamp, BB standard, and details. SC-R55D has UDH, round steerer, and concealed dropout holes.
What bottom bracket options are available?
Originally BB86.5 press-fit. Later production offers T47 threaded option without minimum order quantity.
Is the frame monocoque construction?
Uses EPS/latex bladder molding. Front triangle is monocoque, rear triangle is bonded. Internal surfaces are generally clean.