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SRAM S-900 Aero HRD Disc Brake Front
Front
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SRAM S-900 Aero HRD Disc Brake

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MSRP: $310.00
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Description

For aero disciplines, hydraulic disc brakes can reveal a whole new world of speed savings. Less time slowing down means more time going fast. Better brakes mean faster splits, thanks to confidence-inspiring brake performance. Hydraulic aero brakes also allow for more aerodynamic frame designs, lower hand effort, shorter braking distances, and easier changes between wheelsets. SRAM Aero HRD is unconditional braking for unconditional riders.


Features:

  • Optimized power and modulation for triathlon and time trial.
  • New aero-specific hydraulic brake platform offers superior control, feel, and heat management.
  • Textured carbon brake lever for better finger grip.
  • Reach adjust allows for custom brake lever fit.
  • Stealth-a-majig connector makes initial setup fast, easy, and convenient.
  • Bleeding Edge technology for a quick, hassle-free bleed process.
  • Flat mount only.
  • Either 160 or 140mm CenterLine X rotors are recommended for triathlon or time trial use.
  • Claimed weight: 240 grams.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Specifications

Brake Pad Type: Disc 

Brake Type: Disc 

Brake Parts: Brake Set 

Brake Pistons: 2-Piston 

Front

Mfg PartNum: 00.5018.115.000 

Rear

Mfg PartNum: 00.5018.115.001 

Mfg Warranty: 24 Mo. Parts

Warranty URL: https://www.sram.com/en/service/warranty

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Reviewed 10/13/2025
by CYinPA
Competitive Racer
PA
Value Rating
Overall Rating
Why do they come filled with fluid!?

Levers are solid, and a niche thing for TT bikes. I for the life of me can't understand why Sram sends levers/calipers sets pre-filled with fluid. You have to cut them, no one is running cables externally, and no one is needing 3 extra feet of housing either, so you have to at the very least shorten the hoses, most likely shorten and internally route.

Why are the lines filled with fluid?!?! All it does is make a mess and most likely another step in the factory that is costing money. Just send the lines with some barbs and olives, maybe a spare if you want to actually be cool, and a bottle of fluid, and off we go. No mess. I'd even be fine with no fluid included if there's a shipping restriction I'm not aware of, I'll go get my own.

But, functionally the levers are fine, do what they are supposed to and are light enough. I do wish Sram would stop already with the DOT fluid too.

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