TRP EVO PRO HD-M9040 Left (2.3mm rotors only) - Silver/Grey 2.25" These rings are beautifully machined

These rings are beautifully machined to match the contours of the crankset

That smooth

WTB's Fusion Form base is tuned specifically for this saddle

Dimensions: n / a

Your existing cassette

TRP EVO PRO HD-M9040 Left (2.3mm rotors only) - Silver/Grey 2.25" These rings are beautifully machinedTRP EVO PRO HD M9040 brings World Cup proven 4 piston stopping power and rider tunable precision to your most demanding descents, in a sleek Silver Grey finish. The TRP EVO PRO HD M9040 is the brake that World Cup downhill athletes helped build, and it shows. Developed with direct input from top level DH racers, this 4 piston hydraulic disc brake takes everything great about TRP's legendary DH R EVO platform and cranks it up a notch with more power,