Shimano SPD-SLR Pedals: What Triathletes Need to Know Before Upgrading
Shimano launched SPD-SLR on 17 September 2026, the first major change to its road clipless pedal system in 23 years, according to BikeRadar. It replaces SPD-SL with a new pedal, a new cleat and a new range of shoes. The old and new cleats do not swap, so upgrading takes a plan. This page pulls together the published specs and UK prices and covers the compromise reviewers keep raising. We have not tested the pedals ourselves.
Available now: the Dura-Ace PD-R9300 SPD-SLR pedals are in stock at Tredz for £199.99 (correct at time of writing, 28 September 2026).
What has changed
- Lower stack height. Road.cc lists 12.5mm for the Dura-Ace PD-R9300 and 13.3mm for the Ultegra PD-R8200. BikeRadar puts the reduction at 2.3mm against the previous Dura-Ace system.
- Lighter cleats. Road.cc lists the blue cleat at 55g a pair including hardware, against 71g for the SPD-SL equivalent. BikeRadar lists the Dura-Ace pedals, cleats and bolts together at 283g.
- Three float options. Shimano lists the red cleat as fixed, the blue cleat with 2 degrees of float and the yellow cleat with plus or minus 3 degrees. Shimano’s Ultegra listing includes the yellow cleat in the box.
- Cleat price. Road.cc lists replacement cleats at £24.99.
Models and UK prices
- Dura-Ace PD-R9300: £199.99, in stock at Tredz at time of writing.
- Ultegra PD-R8200: £139.99 according to road.cc. Shimano’s US site marked this pedal as coming soon when we checked, so confirm UK stock before you plan around it.
- S-Phyre SH-RC910 shoes: £389.99. S-Phyre SH-RC810 shoes: £319.99.
The compatibility catch
SPD-SLR cleats do not fit SPD-SL pedals, and SPD-SL cleats do not fit SPD-SLR pedals. If a shared pair of shoes has to work on a tri bike, a road bike and a turbo bike, you either convert every bike or swap cleats each time.
Shimano’s new shoes are the intended pairing, but BikeRadar reports that SPD-SLR works with standard three-bolt shoes, and road.cc says existing SPD-SL shoes can take the new cleat with the full benefit reserved for the new shoes. The bigger issue, per BikeRadar’s review, is that the new cleat leaves almost no fore-aft adjustment. It advises riders to check that their current shoes can reach their preferred cleat position, or buy Shimano’s new shoes.
What it means for triathletes
The points below are our reading of the published specs, not test results.
- Bike fit comes first. If your fitter set your cleat position toward the rear of the shoe, check that the new cleat can reach it before you buy. Limited fore-aft adjustment matters most to riders whose fit relies on a specific position.
- Convert all your bikes or none. Most triathletes own at least a race bike and a turbo setup. Mixed systems mean cleat swaps, or a second pair of shoes.
- The off-season is the natural time. A pedal change alters saddle height slightly and needs a few rides to settle. Doing it now, with no race on the calendar, beats doing it two weeks before one.
Where to buy
Tredz stocks the Dura-Ace PD-R9300 at £199.99, and the link below goes to the same product page.
Read the full reviews
For hands-on impressions, see BikeRadar’s review of the Dura-Ace pedals and road.cc’s first-ride review. Shimano’s own product listing is here.
On this site, see our guides to the best triathlon bike pedals, the best power meter pedals, the Shimano Ultegra PD-R8000 SPD-SL pedals and the Shimano RC9 S-Phyre road shoes.
This article contains affiliate links. If you purchase through these links, we may earn a small commission at no extra cost to you. This helps support The Triathlete.
