Sun Ringle Duroc SD37 Expert 27.5-inch Rear
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Details
Duroc SD37 is the result of real-world EWS racing and good old-fashioned downhill thrash testing.
- Welded and eyeleted Duroc SD37 rims for maximum impact resistance, widestance tire shaping, and STR tubeless tire retention
- Straight-pull SRX hubs with high-strength Dual- Tooth pawls and precisionground steel axles
- Wheelsmith doublebutted spokes and brass nipples, precision tension balanced with SpokePrep assembly compound for longevity
- E-MTB approved for electric bicycles