The Royal Enfield 570029/D Chain Tensioner Pad is an original Royal Enfield replacement component used in the primary chain tensioner assembly of UCE engines.
The pad works against the primary/clutch chain to help maintain appropriate chain tension during engine operation. A worn or damaged tensioner pad can contribute to primary-chain noise, chain movement and accelerated wear of related components.
Royal Enfield parts data identifies 570029/D specifically as “CHAIN TENSIONER PAD.” Catalogue diagrams place it in the crankcase LH / primary-chain assembly along with the chain tensioner stud, bush, washer and related hardware.
This part is intended for UCE-engine Royal Enfield motorcycles and should not be confused with chain-tensioner components used on newer J-Series engines.
Key Features
- Genuine Royal Enfield replacement part
- Part Number: 570029/D
- Exact Description: Chain Tensioner Pad
- Primary/clutch chain tensioner component
- Designed for Royal Enfield UCE engines
- Helps maintain correct primary chain tension
- Helps reduce primary chain slap and excessive movement
- OE-specification replacement part
- Ideal for engine rebuild and clutch/primary-chain service
- Supplied as 1 individual tensioner pad
Compatibility
Royal Enfield UCE Models:
- Bullet 350 UCE
- Bullet 500 UCE
- Electra 350 UCE
- Classic 350 UCE
- Classic 500 EFI / UCE
- Thunderbird 350 UCE
- Thunderbird 500 UCE
- Continental GT 535 UCE
These applications are supported by Royal Enfield parts-catalogue and UCE spare-parts listings.
Important: Not suitable for newer J-Series motorcycles such as Classic 350 Reborn, Hunter 350 or Meteor 350.
Application
Primary Chain / Clutch Chain Tensioner System
Package Includes
- 1 × Royal Enfield 570029/D Chain Tensioner Pad












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