Simple Maintenance

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Our hubs are also known for the notool technology. We also found a way to further improve this system and make maintenance even simpler, by a small change of the endcaps.

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Featuring an incorporated notch, the newly developed shape of the end caps simplifies disassembly significantly and therefore makes maintenance even easier.

Incorporated notch

Freehub Body Conversion

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Simplified due to easier disassembly.

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The no-tool concept allows the conversion to a different drive train standard within seconds. All DT Swiss Ratchet System hubs can be converted.

SRAM XD / SHIMANO / SHIMANO MICRO SPLINE
SRAM XDR / SHIMANO ROAD SL / CAMPAGNOLO

Less Weight

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Not only the reliability improved. The fusion of ratchet and threaded ring reduces the number of single parts of the system what offers an important advantage.

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The previous Ratchet System required two springs to function correctly as the inboard ratchet was not fixed to the hub shell. The fusion of the ratchet and the threaded ring in the Ratchet EXP hub not only increases durability, it also reduces the overall number of components, utilizing a single spring, resulting in a decrease in the weight of the freehub system.

RATCHET EXP
RATCHET SYSTEM

Less Wear

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A single cylindrical spring ensures faster full engagement and thus increases reliability.

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The previous systems required two conical springs which ensured the correct angle between the two ratchets. The fixed connection between the inner ratchet and the hub shell of the RATCHET EXP ensures that the inner ratchet is always aligned at the correct angle. This allows the use of a single cylindrical spring, resulting in faster full engagement and therefore increased reliability.

RATCHET EXP
RATCHET SYSTEM

Superior Reliability

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The full engagement of the ratchets creates a large contact surface and therefore low surface pressure that leads to superior reliability.

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What makes the Ratchet System hubs superior is the fact that all teeth on each of the ratchets engage simultaneously every time. In the case of pawl hubs, the engagement surface area is rather small. With the Ratchet System, the whole front face engages, creating much smaller point loads. The result is the legendary reliability of the Ratchet System hubs.

RATCHET EXP
PAWL SYSTEM

Increased Bearing Lifetime

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The integration of the bearing into the threaded ring allows the bearing distance to be maximized. The increased distance further supports the axis, which results in less deflection of the axle and thus protects the bearings and increases their lifetime.

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The bearing distance is limited by the size of the freehub system. In the previous system, the drive side bearing had to be placed next to the threaded ring which meant that the distance could not be increased. The integration of the drive side bearing into the threaded ring increases the bearing distance, resulting in a 15% improvement in axis stiffness.

RATCHET EXP
RATCHET SYSTEM

ratchet exp

Ratchet EXP
technology

The new Ratchet EXP technology can be found in these products:

180 Straightpull

  • Net weight from 87 g
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240 Classic

  • Net weight from 113 g
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240 Straightpull

  • Net weight from 102 g
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XRC 1200 SPLINE®

  • MSRP per set US$ from $ 2783
  • Weight per set from 1411 g
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XMC 1200 SPLINE®

  • MSRP per set US$ from $ 2783
  • Weight per set from 1435 g
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EXC 1200 SPLINE®

  • MSRP per set US$ from $ 2783
  • Weight per set from 1659 g
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PRC 1100 DICUT® Mon Chasseral

  • MSRP per set US$ from $ 3734
  • Weight per set from 1266 g
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Related Technology

engagement angle
technology

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