The frame needs a 12mm TA with a thread of 1mm (Ridley article code QRET124ZA046)

The uses the SRAM Universal Derailleur Hanger (UDH). This means you will find easily a replacement hanger wherever you are as it is a standardised hanger ...

We use a BB86 press-fit bottom bracket standard on the Fenix SLiC, Fenix Disc, Kanzo Adventure, Kanzo Fast, Grifn, X-Night RS, Falcn (RS), ASTR (RS)

The maximum torque to fix the seatpost clamp is 10Nm, like mentionned on the clamp

The frame uses a traditionnal 27,2mm round seatpost.

No, there are no mounting points for mudguards

Frame weight of the ASTR is 1090gr (+-10%) for an unpainted frame in size M.

The tire clearance for the ASTR (RS) is 47mm when using a 2x groupset or 52mm when using a 1x groupset. This is the actual width of the tire on the rim and ...