SpeedTop 30

Think Tank SpeedTop 30 is a 30L, 1.4kg3.1lb travel backpack measuring 54.6×29×17.8cm21.5×11.5×7in. It fits the carry-on size limit of 35 of 36 major airlines and the personal-item limit of 0 of 26. Under the seat, its 54.6cm21.5in side is over the 40cm15.7in limit at 12 of the 26 airlines it misses. Specs from thinktankphoto.com, checked September 2026.

Volume: 30Lfixed size
Weight: 1.4kg3.1lb3.1lb1.4kg
Carry-on: 35/36airlines fit it
Personal item: 0/26under-seat limits

Dimensions: 54.6×29×17.8cm21.5×11.5×7in 21.5×11.5×7in54.6×29×17.8cm
Price: $241.75 as of September 2026
Laptop: up to 16"
Opening: Top-loading, top magnetic lid
Warranty: Lifetime Covers defects in materials and workmanship, not normal wear, accidents or cosmetic issues.
Compartments: n/a
Bottle pockets: 1

Price history

$241.75 at every weekly check since Oct 5, 2026 (3 checks).

Checked weekly on the brand's US store.

Organizer
Rain cover
Hip belt (removable)
Sternum strap
Luggage pass-through
Camera compartment

Material: 500D Cordura, 550D polyester, PU-backed, DWR

Security cable and TSA lock included
Tablet pocket fits an iPad Pro or A4 documents

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Last checked: 2026-09. Prices and specs may have changed.

Does the Think Tank SpeedTop 30 fit airline carry-on limits?

Draw against

Cabin bag, tight (0.4cm spare)Cabin bag, tight (0.2in spare) on Ryanair. cabin bag 55×40×20cm21.5×15.5×8in · under the seat 40×30×20cm15.5×12×8in. Bag in cminches, turned to fit.

Flag as a tight fit undercm spare

Airline	Carry-on	Personal item	Cabin-bag weight
Air Arabia	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	5.6kg to pack (of 7kg)12.3lb to pack (of 15.4lb)
Air CanadaCabin bag not on every fare	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	No published limitNo published limit
Air FranceCabin bag not on every fare	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	10.6kg to pack (of 12kg shared with personal item)23.4lb to pack (of 26.5lb shared with personal item)
Air India	Tight fit (0.4cm spare)Tight fit (0.2in spare)	No published limit	5.6kg to pack (of 7kg)12.3lb to pack (of 15.4lb)
AirAsia	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	5.6kg to pack (of 7kg shared with personal item)12.3lb to pack (of 15.4lb shared with personal item)
Alaska Airlines	Tight fit (1.4cm spare)Tight fit (0.6in spare)	No published limit	No published limitNo published limit
Allegiant AirCabin bag not on every fare	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	No published limitNo published limit
American Airlines	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	No published limitNo published limit
ANA (All Nippon Airways)	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	8.6kg to pack (of 10kg shared with personal item)19lb to pack (of 22lb shared with personal item)
AviancaCabin bag not on every fare	Tight fit (0.4cm spare)Tight fit (0.2in spare)	No published limit	8.6kg to pack (of 10kg)19lb to pack (of 22lb)
British Airways	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	No published limitNo published limit
Cebu Pacific	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	8.6kg to pack (of 10kg shared with personal item)19lb to pack (of 22lb shared with personal item)
Delta Air Lines	Tight fit (1.4cm spare)Tight fit (0.6in spare)	No published limit	No published limitNo published limit
easyJetCabin bag not on every fare	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	13.6kg to pack (of 15kg)30lb to pack (of 33.1lb)
Emirates	Tight fit (0.4cm spare)Tight fit (0.2in spare)	No published limit	5.6kg to pack (of 7kg)12.3lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	FitsFits	Too bigToo big	14.5kg to pack (of 15.9kg)32lb to pack (of 35.1lb)
Gol Linhas Aereas	Tight fit (0.4cm spare)Tight fit (0.2in spare)	No published limit	8.6kg to pack (of 10kg)19lb to pack (of 22lb)
IndiGo	Tight fit (0.4cm spare)Tight fit (0.2in spare)	No published limit	5.6kg to pack (of 7kg)12.3lb to pack (of 15.4lb)
JetBlue Airways	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	No published limitNo published limit
KLMCabin bag not on every fare	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	10.6kg to pack (of 12kg shared with personal item)23.4lb to pack (of 26.5lb shared with personal item)
LATAM Airlines	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	10.6kg to pack (of 12kg)23.4lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	6.6kg to pack (of 8kg)14.6lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	8.6kg to pack (of 10kg shared with personal item)19lb to pack (of 22lb shared with personal item)
Qantas	Tight fit (1.4cm spare)Tight fit (0.6in spare)	No published limit	5.6kg to pack (of 7kg shared with personal item)12.3lb to pack (of 15.4lb shared with personal item)
Qatar Airways	Too bigToo big	No published limit	5.6kg to pack (of 7kg)12.3lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	8.6kg to pack (of 10kg)19lb to pack (of 22lb)
SAS	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	6.6kg to pack (of 8kg)14.6lb to pack (of 17.6lb)
Singapore Airlines	FitsFits	Too bigToo big	5.6kg to pack (of 7kg)12.3lb to pack (of 15.4lb)
Southwest Airlines	FitsFits	No published limit	No published limitNo published limit
Turkish Airlines	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	6.6kg to pack (of 8kg)14.6lb to pack (of 17.6lb)
United AirlinesCabin bag not on every fare	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	No published limitNo published limit
Vietjet Air	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	5.6kg to pack (of 7kg shared with personal item)12.3lb to pack (of 15.4lb shared with personal item)
VolarisCabin bag not on every fare	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	8.6kg to pack (of 10kg)19lb to pack (of 22lb)
VuelingCabin bag not on every fare	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	8.6kg to pack (of 10kg)19lb to pack (of 22lb)
WestJetCabin bag not on every fare	Tight fit (1.4cm spare)Tight fit (0.6in spare)	Too bigToo big	No published limitNo published limit
Wizz AirCabin bag not on every fare	Tight fit (0.4cm spare)Tight fit (0.2in spare)	Too bigToo big	8.6kg to pack (of 10kg)19lb to pack (of 22lb)

Compared in any orientation against each airline's published size limit. A tight fit has under 2cm to spare, so a packed soft bag may not pass a sizer. Set it to 0 to turn the warning off. Weight is what the airline allows in the cabin minus this bag's empty 1.4kg3.1lb. Limits and sources. Own a different bag? Check it against every airline.