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Traverse SL II Hydra2
Roval2599 MSRP

Roval Traverse SL II Hydra2

Ultra-light trail carbon wheel with Industry Nine Hydra2 hub

Specifications

Wheel Size
29"
Rim Inner Width
30mm
Rim Depth
20mm
Weight
1757g (front 795g + rear 962g, with tape and valves)
Axle
Front: 15x110mm Boost, Rear: 12x148mm Boost
Spokes
28H front and rear
Hub Engagement
0.41° / 145T — Industry Nine Hydra2

Overview

The Roval Traverse SL II Hydra2 is Specialized's premier lightweight trail carbon wheelset. Four key innovations define it: front and rear rims optimized individually for +15%/+25% strength gains, a shallow rim geometry for 21% more vertical compliance, "ankling" bead geometry for superior traction and grip, and the FlatStop bead requiring 85% more force to pinch flat. The Industry Nine Hydra2 hub with 145 teeth and 0.41° engagement provides near-instant power pickup. Limited lifetime warranty when registered within 90 days.

Features

  • Traverse SL II asymmetric carbon rims (front + rear tuned individually)

  • Industry Nine Hydra2 hub — 145T / 0.41° engagement

  • 15% stronger front rim, 25% stronger rear rim vs previous gen

  • 21% more vertical compliance for bump absorption

  • FlatStop bead design — 85% more force to pinch flat

  • Roval ThreadBed valve eliminates valve nut air loss

  • DT Swiss Revolite spokes

  • E-bike approved, 125kg weight limit

  • Lifetime rim warranty (register within 90 days)

How we evaluate this component

Product cards, analysis notes, and setup guidance are grounded in public specifications, market positioning, compatibility, and the most likely real-world use cases on trail.

Read the full methodology