Ensuring that your new Sirrus is properly fit to you is an important step in preparing for your first ride.  Your Authorized Specialized Retailer will be able to provide a basic fit, ensuring that you are able to ride your Sirrus comfortably and efficiently. Specialized also offers Retül Fit, a data-driven bicycle fitting tool designed to improve comfort, prevent injury, and increase performance.

Sizing Chart

 SIZEXXSXSSMLXLXXL
APPROX. RIDER HEIGHT

4'8" - 4'11"

142 - 150 cm

4'11" - 5'2"

150 - 158 cm

5'1" - 5'5"

155 - 165 cm

5'5" - 5'9"

165 - 175 cm

5'9" - 6'0"

175 - 183 cm

6'0" - 6'4"

183 - 193 cm

6'4" - 6'6"

193 - 198 cm

Adjust Saddle Height

Alloy frame models use a traditional seatpost collar.  To adjust the saddle height, loosen the seatpost collar bolt.  Adjust the saddle height as needed.  Torque the seatpost collar bolt to 6.2Nm (55 in-lbf).

Carbon frame models use an internal seatpost wedge.  To adjust the saddle height, loosen the seatpost wedge bolt using a 4mm hex.  Apply grease to the seatpost wedge ramp faces and bolt.  Adjust the saddle height as needed.  Torque the seatpost wedge bolt to 6.2Nm (55 in-lbf).

Seatpost minimum insertion


XXS

XS

S

M

L

XL

XXL

Alloy frames80 mm100 mm100 mm100 mm120 mm120 mm120 mm
Carbon frames--90 mm90 mm90 mm90 mm120 mm120 mm