Sun ringle mulefut 50 plus sized mtb rear wheela new method of attacking the trail is on the horizon and about to take the mountain bike community by storm plus sized 30 tires provide faster acceleration combined with increased tire patch for superior traction and added cushion introducing the sunringl muleft 50 hes the little brother of our favorite pigthe muleft 80 the muleft 50 is packed with all of the same features as the 80 in a narrower more nimble and flickable package designed