Tsubakimoto Chain Co.
6371.TMEDIUMScore: 34Motorcycle Drive Chain & EV Drivetrain / Material Handling (Tier-9) · Weight: 3%· Data as of 2026-06-01
Investment Thesis
Post-Daido Kogyo (DID brand) acquisition (completed Jan 1, 2026), Tsubakimoto holds Japan's dominant position in motorcycle drive chains — DID is the premium motorcycle chain brand used by Honda, Yamaha, Kawasaki, and Suzuki globally. Combined motorcycle chain share ~50%+ in Japan. Direct exposure to Honda's Vietnam/India e-motorcycle scale-up: (1) chain-drive Honda commuter models (CB series, Dream series) still use drive chains even as electrification proceeds — hub motors are used only in urban scooters (UC3 class), not the dominant commuter segment; (2) EneDrive chain product line explicitly designed for EV powertrain applications where chain-type power transmission is preferred over belt; (3) Vietnam subsidiary (Tsubakimoto Vietnam Co., Ltd.) and India presence align with Honda's ¥400B motorcycle electrification commitment 2026-2030 and world's largest dedicated e-motorcycle factory at Narasapura by 2028 (8M units/year). Q4 FY2026 EPS ¥295.79 (+39% YoY) confirms earnings recovery. Trading at PB 0.87x (below book), PE ~11x (33% discount to Japan machinery sector avg 16.5x), dividend yield 3.52%. V2X charging system in product catalog adds EV infrastructure optionality.
Risk
1) Hub motor risk: Honda UC3 (Vietnam) uses wheel-side hub motor — eliminates drive chain entirely. If Honda standardizes ALL e-motorcycle lines on hub motors, Tsubakimoto's motorcycle chain business enters structural decline. Timeline: visible from Honda product lineup 2027-2028. 2) ICE motorcycle volume decline: long-term risk as two-wheeler fleet electrifies. 3) Daido Kogyo integration: absorbing a company doubles integration risk; cost synergies may be delayed. 4) ROE 8.75% meets TSE 8% target but not exceptional — limited room for re-rating premium. Thesis breaks if Honda announces hub-motor-only architecture for India commuter motorcycle platform (CB/Dream segment) by 2027.
Monitoring Trigger
If Honda India commuter bike (CB/Dream EV) spec confirms chain drive, ADD to 3.5%. If Honda India commuter platform is confirmed hub motor with no drive chain, EXIT. Monitor Tsubakimoto motorcycle chain segment revenue share quarterly (FY March); watch for >5% YoY decline. Q4 FY2027 Tsubakimoto earnings (May 2027): expect >¥300B revenue as Daido integration synergies kick in.
Key Dates
Key Metrics
Business Segments
| Segment | Revenue | Share | Description |
|---|---|---|---|
| Chain Operations (Motorcycle + Industrial) | Motorcycle drive chains (DID brand via Daido Kogyo, completed Jan 2026), industrial roller chains, conveyor chains. Honda/Yamaha/Kawasaki/Suzuki OEM supply. Dominant Japan market share post-acquisition. | ||
| Mobility Operations (Automotive Timing) | Automotive timing chain systems for engine-powered vehicles. EneDrive chain for EV powertrain applications. 14 plants in 8 countries. | ||
| Industrial Operations (Material Handling) | Materials handling systems, conveyor equipment, automation. V2X Bi-Directional EV Charging System (eLINK) product line launched. |
Supply Chain Evidence
| Evidence | Customer | Product | Detail |
|---|---|---|---|
| confirmed | Honda Motor (7267.T) | Motorcycle drive chains (DID brand) for CB/Dream/commuter series | Daido Kogyo's DID brand is the standard Honda OEM motorcycle chain supplier in Japan and Asia. Tsubakimoto completed acquisition of Daido Kogyo on January 1, 2026, combining DID brand with Tsubaki motorcycle chains. |
| confirmed | Yamaha Motor (7272.T), Kawasaki, Suzuki | Motorcycle drive chains and automotive timing chain systems | Tsubakimoto/DID supplies all major Japanese motorcycle OEMs. Timing chain systems supply automotive manufacturers globally including 14 plants in 8 countries. |
| probable | Honda Motor / General EV OEMs | EneDrive chain for EV powertrain (non-hub-motor architectures) | Tsubakimoto's EneDrive chain product line explicitly designed for EV power transmission — uses timing chain development heritage for EV drivetrain applications. Fills gap for EV models that maintain chain-type power transfer. |