1959 Triumph Twenty-One - webBikeWorld
1958 Triumph 3T Twenty One 350 twin with 'Bathtub-syling' | Classic triumph motorcycles, Triumph motorcycles, Triumph bikes
Lot 244 - 1968 Triumph 3TA Twenty One
Triumph Twenty One - Wikipedia
Triumph Twenty One 349cc 1958 Matching Frame & Engine Numbers | eBay
1964 Triumph 3TA Twenty-One - GB Motorcycles
TRIUMPH TWENTY ONE 3TA, 1958, LAST OWNER 13 YEARS, LOVELY 350 CLASSIC | eBay
1960 Triumph Twenty-One - webBikeWorld
File:1961 Triumph 3TA Twenty One (maroon).jpg - Wikimedia Commons
Triumph 3TA / TwentyOne - RealClassic
1959 Triumph Twenty-One - webBikeWorld
Triumph 3TA (Twenty one) 350cc 1961 | BRITISH Only Austria Fahrzeughandel GmbH
Triumph 3TA / TwentyOne - RealClassic
1964 Triumph 3TA Twenty-One - GB Motorcycles
No Reserve: 1959 Triumph 3TA "Twenty One" for sale on BaT Auctions - sold for $10,250 on July 12, 2023 (Lot #113,204) | Bring a Trailer
TRIUMPH 3TA TWENTY ONE 350 - Price reduction - BOL D'OR MOTORCYCLES
1960 Triumph Twenty-One - webBikeWorld
File:Flickr - ronsaunders47 - THE TRIUMPH "TWENTY ONE" MOTORCYCLE. UK 1957-1966..jpg - Wikimedia Commons
Sold at Auction: 1961 TRIUMPH TWENTY-ONE 350cc MOTORCYCLE
Triumph Twenty One - Wikipedia
Iconic Auctioneers | 1961 Triumph 3TA Twenty One 350cc-Sold
TRIUMPH 21 3TA .350 CC. TWIN CYLINDER. BATHTUB DESIGN.1957… | Flickr
Triumph 3TA | Hemmings
849 Triumph Twenty One (1964) ELK 662 C | Triumph Twenty One… | Flickr
1958 TRIUMPH "TWENTY ONE", 3TA 350 AT RUSSELL JAMES MOTORCYCLES. WALK ROUND AND START UP - YouTube
Triumph Twenty-One 1958 350cc | Triumph motorräder, Motorrad
1958 Triumph Twenty One (3TA), 350 cc parallel twin - Keeto - Shannons Club
Lot 28 - 1964 Triumph 3TA Twenty One
