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Child Seats

Topeak BabySeat II vs Yuba 2be3 Child Seat

Two rear-mount child seats from opposite ends of the cargo-bike world: the Topeak BabySeat II is a universal MTX-rack seat that fits almost any 26"/27.5"/700c bike, while the Yuba 2be3 is purpose-built for Yuba's longtail deck. Compatibility is the deciding factor.

Topeak BabySeat II
Option A
Topeak BabySeat II
Topeak · Rear Rack Mounted
  • Mount: MTX QuickTrack rear rack (included)
  • Wheel compatibility: 26", 27.5" (650B), 700c
  • Weight: 13.27 lb (6.0 kg)
  • Adjustable shoulder harness with roll-bar handle
  • Dual steel-spring shock absorbers
  • Wrap-around cocoon padding + adjustable footrests
  • Standards: EN, CPSIA, Proposition 65
Sizing: Rear-mounted child seat for kids up to ~48.5 lb (22 kg). Quick-release attaches and detaches from the included rack via MTX QuickTrack. Order the disc-brake variant if your bike has disc brakes.
MSRP: $200-240
Yuba 2be3 Child Seat
Option B
Yuba 2be3 Child Seat
Yuba · Longtail Deck Mount
  • Mount: Yuba longtail rear deck (Mundo / Kombi / Spicy Curry)
  • Weight: 13.5 lb (6.1 kg)
  • Molded backrest with integrated mounting hardware
  • 3-point seat belt
  • Designed for second-child + cargo sharing the deck
Sizing: Bolts to Yuba's Monkey Bar / Soft Spot deck on a longtail. Not compatible with standard pannier-rack frames - if you don't own a Yuba longtail, this is the wrong seat.
MSRP: $240-280 · Amazon ~$253.38

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Side-by-side spec sheet

Frame compatibilityBabySeat II
Topeak BabySeat IIUniversal: any 26"/27.5"/700c bike
Yuba 2be3 Child SeatYuba longtails only
Rack includedBabySeat II
Topeak BabySeat IIYes (MTX QuickTrack)
Yuba 2be3 Child SeatNo (uses Yuba's deck)
SuspensionBabySeat II
Topeak BabySeat IIDual steel-spring shock absorbers
Yuba 2be3 Child SeatRigid (longtail frame absorbs road)
Safety certificationsBabySeat II
Topeak BabySeat IIEN, CPSIA, Proposition 65
Yuba 2be3 Child SeatNot publicly listed
Cargo-sharing the deckChild Seat
Topeak BabySeat IINo (full rack footprint)
Yuba 2be3 Child SeatYes (half-deck mount)
WeightTie
Topeak BabySeat II13.27 lb
Yuba 2be3 Child Seat13.5 lb
Amazon priceBabySeat II
Topeak BabySeat II$219.95
Yuba 2be3 Child Seat$255.82

The verdict

Pick the Topeak BabySeat II if you have a normal commuter, hybrid, or mountain bike with a standard rear rack - it ships with the rack, fits 26"/27.5"/700c wheels, and meets European EN safety standards. Pick the Yuba 2be3 only if you already ride a Yuba longtail (Mundo, Kombi, or Spicy Curry) - it's the OEM seat that integrates with the longtail's deck so you can carry a second kid or cargo alongside.

Best value

Topeak BabySeat II - the cheaper of the two, includes the rack, fits almost any bike, and carries published safety certifications.

Best performance

Yuba 2be3 Child Seat - if you ride a Yuba longtail, it's the OEM solution that leaves room for a second passenger or cargo on the same deck.

Not sure which child seats fits you?

Our sizing guides and category pages help you narrow the field.