Rockshox SID Ultimate Charger Race Day C1 Fork - Gloss Black - 15x110mm Boost - Maxle Stealth - 44mm - 100mm - 2021 - Tapered 1 1-8-1.5 Inch - 29 Inch YGroup_7033427623981 The 10-45T Rythm Step cassette

The 10-45T Rythm Step cassette still offers an excellent 450% range but is designed with the perfect ratio in mind

or any other time you think you're going to be pushing your limits and want some backup if things go wrong

Test results

Weight： 256

Rockshox SID Ultimate Charger Race Day C1 Fork - Gloss Black - 15x110mm Boost - Maxle Stealth - 44mm - 100mm - 2021 - Tapered 1 1-8-1.5 Inch - 29 Inch YGroup_7033427623981 The 10-45T Rythm Step cassetteThe worlds most winningest XC fork is charging back to the podium with new capabilities. Youre gonna go fast, and youre gonna have fun. Rockshox has re balanced SID, beefing up its strength to match its speed keeping riders ready for whatevers down the course. Rock gardens? Sure. Jumps? Why not. Wherever XC riders want to go, SID is already there. Riding SID Ultimate means every detail is considered. Packed in a stiff, lightweight 35mm chassis, and