Gotta love their breakaway rear der bolts. This thing can save your rear derailleur from being dismantled upon impact with... whatever it is you're planning on crashing into.
For me, it was never known, but the cable held the der. to the bike and I was carrying a spare. Try that sometime when you're 40 miles away from the trailhead.
Been using SRP for yeeeeears and just rec'd an eMail from them. One of the few welcome spam messages I receive from a gazillion companies.
Check 'em here.
Mtbr's 2016 Winter Biking GearReviews and Roundups
Results 1 to 9 of 9
Thread: SRP products!