Reviews & Ratings
The HongFu FM138 is a 29er full-suspension XC/DC frame used by brands like Ridley (Raft) and TSW. It's available in standard (2080g for size L) and superlight (SL) versions (1930-1980g for size L), with carbon construction, PF92 bottom bracket, and 120mm rear travel (with 190x45mm shock). Pricing is around $650 for standard, $750 for SL, plus shipping and optional custom paint ($150+). It features modern geometry (67/76 head/seat tube angles, 470mm reach in L), UDH hanger, and internal cable routing. Purchase is via email/WhatsApp directly from HongFu.
AI Summary
Pros
- Excellent value for money compared to similar frames like Carbonda FM909
- High-quality carbon construction with good finish and durability reported by multiple users
- Good pedaling efficiency with high anti-squat and minimal bobbing even without lockout
- Capable suspension performance for XC/DC riding with 120mm travel
- Quiet operation with no creaking issues when properly maintained
Cons
- Limited water bottle capacity (max 500ml vertically, 750ml with sideloader, but may contact suspension link)
- Potential brake compatibility issues, particularly with 4-piston calipers (SRAM Level reported problematic)
- Long seat tube limits dropper post insertion depth for some riders
- Long delivery times reported (up to 6 months in some cases)
- Confusion around rear shock bushing sizes (8x16mm and 8x22-25mm needed, may require fitting)
- XL size has additional reinforcement crosspiece that some find aesthetically unappealing
Key Points
- Frame weight: Standard ~2080g (L), SL ~1930-1980g (L)
- Price: $650 standard, $750 SL plus shipping ($255 to Finland example)
- Travel: 120mm rear with 190x45mm shock, 100mm with 190x40mm
- Geometry: 67° head tube, 76° seat tube, 470mm reach (L size)
- Standards: PF92 BB, Boost 148mm rear, UDH hanger
- Material: Carbon fiber
- Purchase: Direct from HongFu via email/WhatsApp only
Where to Buy

HongFu FM138 Full suspension 29er MTB frame
Specifications
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