SWB MARATHON 365 700x38 PERF GN-GUARD BK/BK/REF FOUR SEASON E50 DYNAMO WIREDesigned to be a fast rolling tire with plenty of grip in all seasons thanks to its extensively siped tread and all season compound Ribbed sidewalls are specially designed for use with classic sidewall driven dynamos GGRD Features a highly elastic 3mm India rubber belt made from 1 3 recycled materials EBIKE50 has achieved a passing rating for use with E Bikes up to 50kph and is ECE R75 approved REF Reflective sidewall striping or hot patch to aid in