Compatible Parts

Sirrus

Drivetrain 

All Sirrus models use a threaded 68mm BB standard.

All alloy frames use rear derailleur hanger 9895-4021; the Sirrus 6.0 carbon frames use rear derailleur hanger, S152600003.

Alloy Sirrus models use a clamp-on style front derailleur, 31.8mm. Maximum chainring size is 1x 42t or 2x 50-34t.

Cable routing is done with full length housings and no cable ports.  For models with 2X drivetrain, a bolt on cable guide beneath the bottom bracket acts as the cable stop, S206500006.

Sirrus 6.0 is compatible only with a 1x drivetrain. Chainring maximum is 42T.

Brakes

All models except Sirrus 1.0 feature disc brakes. Rotor size minimum is 140 mm and maximum is 160 mm.

Axles

Sirrus 4.0 & 6.0: 12mm thru axle

Sirrus 1.0-3.0: QR axles

Seatpost

All Sirrus models use 27.2mm seatposts. Seatpost length varies by frame size:

Carbon frame models use an internal seat wedge, S194700001.

Alloy frame models use a conventional 31.8mm seatpost collar, S124700003.

Sirrus X

Drivetrain 

All Sirrus X models use a threaded 68mm BB standard.

All alloy frames use rear derailleur hanger 9895-4021; the Sirrus X 5.0 carbon frames use rear derailleur hanger, S152600003.

Alloy Sirrus models use a clamp-on style front derailleur, 31.8mm. Maximum chainring size is 1x 42t or 2x 50-34t.

Cable routing is done with full length housings and no cable ports. Sirrus X frames are compatible with 1x drivetrains only. Chainring maximum is 42T.

Brakes

All models feature disc brakes. Rotor size minimum is 140 mm and maximum is 160 mm.

Axles

4.0-5.0: 12mm thru axle

2.0-3.0: QR axles

Seatpost

All Sirrus X models use 27.2mm seatposts. Seatpost length varies by frame size:

Carbon frame models use an internal seat wedge, S194700001.

Alloy frame models use a conventional 31.8mm seatpost collar, S124700003.