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Selle ItaliaSLR Boost Endurance Superflow Saddle


Item # SELA09S

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  • Black, L ($319.99)
  • Black, S ($319.99)
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Item # SELA09S

SLR Boost Endurance Superflow Saddle

The SLR Boost Endurance Superflow prioritizes comfort for long distance riding, while keeping low weight and performance at the forefront of design. The Endurance model has more padding than the SLR Boost, with Selle Italia’s Light Gel Plus adding comfort to long miles. Like other saddles with the Boost designation, this short-nosed saddle helps us find a stable and comfortable position even when pushing the pace and our weight further forward on the nose. Further enhancing the ergonomics of the saddle, the Superflow cutout relieves perineal pressure and improves blood flow to the area, helping to reduce numbness or pain on long days in the saddle.

Many hours in the saddle demand both a comfortable position and durable components. The Fibra-tek upper resists wear and tear from those many miles, while the 7mm titanium rails are light and strong to keep you rolling.

  • Short-nose saddle for long-distance rides and races
  • Light Gel padding for added comfort over long miles
  • Superflow cutout relieves perineal pressure for comfort
  • Titanium rails are strong and light for optimal durability

Tech Specs
Railstitanium, 7mm
Seat Length248mm
Seat Width[small] 130mm, [large] 145mm
Recommended Useroad cycling, gravel
Manufacturer Warranty2 years

Actual Weight

Black, L
Black, S

Claimed Weight

Claimed weights are provided by the vendor.

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[small] 7.1oz (202g), [large] 7.4oz
202g), [large] 7.4oz (209g

Actual weights are measured in-house by the Competitive Cyclist team.

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What do you think about this product?


>Rating: 5

Changed my life!!

I've used it several times
True to size
Size Bought
5` 9"
150 lbs

I purchased this for my road bike even though it said cyclocross/gravel. I did a lot of research before I purchased and the more I researched I kept coming back to Selle Italia and their SLR range. There is a MASSIVE difference between this saddle and the old stock saddle on my road bike. The materials and feel is very high quality. It’s an excellent balance of comfort and weight. Not the lightest, but not heavy at all!! @200g I have been averaging 100km rides and my stock saddle was bringing tears to my eyes on longer rides. This completely changed my experience. Yes sit bone widths are a good thing to know however I took a stab on this as anything would have been better than my original saddle & it was a jackpot! I have since put 500km, pain free on the seat before this review and I’m so glad I shelled out the extra $$ for this saddle. I’m 65kg and 169cm tall so I guess I’m a lighter guy, if that helps. I am really impressed with this brand! Could not be happier!