2012 Specialized Hardrock – Specs, Comparisons, Reviews – 99 Spokes
2016 Specialized Hardrock Disc 29 – Specs, Comparisons, Reviews – 99 Spokes
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2004 Specialized Hardrock Pro Disk 17 black - Bikes Heaven
1988 Specialized Hardrock at Classic Cycle | Classic Cycle Bainbridge Island Kitsap County
2010 Specialized Har - Bicycle Details - BicycleBlueBook.com
2015 Specialized Hardrock 26' - andr.m's Bike Check - Vital MTB
Specialized Hardrock 650B Mountain Bike Review - BikesReviewed.com
Specialized Hardrock Mountain Bike Review | Rutland Cycling - YouTube
Specialized Hardrock Sport Disc - BikeRadar
BikePedia - Bicycle Value Guide
1990s SPECIALIZED Hard Rock Sport Bicycle 21 Speed Mountain Bike | eBay
Specialized Hardrock SE - BikeRadar
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Hardrock Sport | Specialized.com
2003 Specialized Har - Bicycle Details - BicycleBlueBook.com
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2007 Specialized Hardrock Sport (S) - Bikes Heaven
2011 Specialized Hardrock Sport Disc 29er – Specs, Comparisons, Reviews – 99 Spokes
2015 Specialized Hardrock 26 - Specs, Reviews, Images - Mountain Bike Database
Specialized Hardrock Pro Disc - BikeRadar
John's Bicycle Restorations: Early 90s Specialized Hard Rock - Finished
1993 Specialized Hard Rock Vintage 26” Tire Mountain Bike Rapid Shifter EUC | eBay
2015 Specialized Hardrock 26 - Specs, Reviews, Images - Mountain Bike Database
