Schmolke TLO 50 vs Reserve 52|63: The 551g Difference You Will Feel
Premium carbon wheel comparison
Schmolke TLO 50 vs Reserve 52|63
The Reserve has the deeper rear rim. The Schmolke is 551g lighter. Across climbing, acceleration and changing terrain, that weight difference is impossible to ignore.
The Reserve 52|63 is a respected aero wheelset, but this comparison exposes an enormous weakness.
With equivalent DT Swiss 180 hubs, the Reserve weighs a claimed 1,576g. The Schmolke TLO 50 weighs just 1,025g.
That makes the Reserve 551g heavier.
This is not a tiny laboratory advantage. More than half a kilogram at the wheels will be obvious every time you accelerate, climb, change pace or throw the bike through a corner.
A Reserve rider moving to the TLO 50 would immediately feel a lighter, faster-accelerating and more responsive bike. No stopwatch required.
The weight difference, made visible
Claimed complete wheelset weights with DT Swiss 180 hubs
This is a fair DT Swiss 180 against DT Swiss 180 comparison. The enormous weight difference comes from the wheels themselves, not from comparing different hub levels.
Specifications compared
Reserve carries 355g more in the rims alone
Complete weight tells only part of the story. Where the weight sits matters too.
Reserve lists its rims at 465g front and 520g rear. Together, that is 985g. Schmolke’s two approximately 315g rims total around 630g.
The Reserve carries approximately 355g more around the outside of the wheels, where the additional mass contributes directly to the effort required to accelerate them.
What will the difference feel like?
Sharper acceleration
Less wheel mass to bring up to speed when leaving corners, attacking or responding to a surge.
Less weight on every climb
The TLO 50 removes more than half a kilogram from the complete bike, giving you less weight to carry whenever the road rises.
Quicker changes of pace
Real rides include corners, traffic, attacks and rolling terrain. They are not ridden at one constant speed.
More responsive handling
The lighter wheels help the bike feel more willing to move, react and change direction beneath you.
You would feel this upgrade immediately.
Many premium upgrades deliver changes that are difficult to detect outside controlled testing. Removing more than half a kilogram from the wheels produces a difference you can feel through acceleration, climbing and the overall response of the bike.
Does the deeper Reserve rear rim make it faster?
Not everywhere.
The Reserve’s 52mm front and 63mm rear make it the more specialised aero design. On a fast, flat and uninterrupted road, the deeper rear may provide an aerodynamic benefit.
There is no direct independent wind-tunnel comparison showing the aerodynamic difference between these exact wheelsets. The Reserve may have the advantage in specific high-speed conditions, but the Schmolke’s lower weight benefits a much wider range of riding.
Useful nearly everywhere
Lower weight benefits acceleration, climbing, changes of pace, rolling terrain and how responsive the complete bike feels.
Built for sustained speed
The 63mm rear rim gives Reserve its strongest case on fast, flatter roads where aerodynamic performance takes priority over acceleration and climbing.
The Reserve’s advantage is concentrated around sustained high-speed riding. The Schmolke’s lower weight is relevant every time the road rises or the rider changes speed.
The TLO 50 is not a shallow climbing wheel
Schmolke has not produced its extraordinary weight by shrinking the rims. The TLO 50 still gives you:
This is not a shallow wheel beating Reserve on an irrelevant technicality. It is a full 50mm aero wheelset that still weighs 551g less.
Reserve costs less. What do you give up?
An Australian Reserve 52|63 DT180 listing shows a price of $3,999. The Schmolke TLO 50 with DT Swiss 180 hubs is $5,375.
The Schmolke costs $1,376 more. The Reserve is also now an archived model that has been replaced by the 57|64.
The Reserve is cheaper, but this is not equivalent performance at a lower price.
The Schmolke premium buys a 551g lighter complete wheelset, approximately 355g less rim weight, carbon spokes and German-made rims that deliver full 50mm depth at an exceptional weight.
Removing more than half a kilogram through one upgrade is significant. Achieving it with a full 50mm wheelset makes the TLO 50 particularly compelling.
Which wheelset should you choose?
Choose Schmolke TLO 50
For climbing and rolling terrain.
For faster acceleration and changes of pace.
For a noticeably lighter, more responsive bike.
For aero depth without conventional aero-wheel weight.
Choose Reserve 52|63
If the lower purchase price is the priority.
If almost all your riding is fast, flat and uninterrupted.
If you specifically want a deeper 63mm rear rim.
If the lower purchase price matters more than the additional weight.
The verdict
The Reserve 52|63 has a deeper rear rim and costs less. It is a credible choice for riders focused heavily on sustained speed across flatter roads.
The Schmolke TLO 50 weighs just 1,025g with the same DT Swiss 180 hubs, saving an extraordinary 551g.
That difference is far too large to dismiss as a specification-sheet advantage. It changes how quickly the wheels accelerate, how much weight you carry uphill and how responsive the complete bike feels.
Reserve offers the more specialised proposition. Schmolke delivers the broader performance upgrade.
By combining full 50mm depth with a weight normally associated with much shallower wheels, the TLO 50 gives you a lighter, faster-feeling bike without abandoning aerodynamic performance.
Frequently asked questions
Is the Schmolke really 551g lighter?
Yes. Schmolke lists the TLO 50 with DT Swiss 180 hubs at 1,025g. Reserve’s official archived page lists the Reserve 52|63 with DT Swiss 180 hubs at 1,576g.
Would a rider actually feel the difference?
Yes. More than half a kilogram at the wheels is a major reduction. It will affect acceleration, climbing and the overall responsiveness of the bike.
Is the Reserve more aerodynamic?
The Reserve is deeper at the rear and more specifically focused on sustained aero performance. There is no direct independent test proving how these exact wheelsets compare across every speed and wind condition.
Is the Schmolke only a climbing wheel?
No. It uses 50mm rims front and rear, a 25mm internal width and a 32.5mm external width. It is an ultralight aero all-rounder, not a shallow climbing wheel.
Has Reserve replaced the 52|63?
Yes. Reserve now lists the 52|63 as an archived model replaced by the newer 57|64 Turbulent Aero.
Take 551g out of your wheelset
Get 50mm aero depth without carrying Reserve’s half-kilogram weight penalty.
View the Schmolke TLO 50Manufacturer specifications checked August 2026. The weight comparison uses DT Swiss 180 configurations for both wheelsets. Prices and availability may change.