Please check from bike and model year below to ensure this seatpost will fit your bike.

Giant G2SP04 Carbon Seatpost, 17219OB0005A1

Bike Models that feature this product:

2015 Propel Advanced 0

2015 Propel Advanced 1

2015 Propel Advanced 2

2015 Propel Advanced Pro 0

2015 Propel Advanced Pro 1

2015 Propel Advanced Pro 2

2015 TCR Advanced Pro 1

2015 TCR Advanced Pro 2

2015 TCR Advanced 2

2015 TCR Advanced 3

2015 Envie Advanced 1

2015 Envie Advanced 2

2015 Envie Advanced Pro 0

2015 Envie Advanced Pro 1

2014 Propel Advanced 1

2014 TCR Composite 3

2014 TCR Advanced 1

2014 TCR Advanced 2

2019 EnviLiv Advanced Pro

2019 EnviLiv Advanced 1

2019 EnviLiv Advanced 2

2016 Propel Advanced 0

2016 Propel Advanced 1

2016 Propel Advanced 2

2016 Propel Advanced Pro 2

2016 Propel Advanced Pro 1

2016 Propel Advanced Pro 0

2017 Propel Advanced 0

2017 Propel Advanced 1

2017 Propel Advanced 2

2017 Propel Advanced Pro Frameset

2017 Propel Advanced Pro 2

2017 Propel Advanced Pro 1

2017 Propel Advanced Pro 0

(this list is not exhaustive - there could be other models that use this product)