Maxxis Crossmark II Tire - 29 x 2.25 Folding Tubeless Black Dual EXOMaxxis Crossmark II Tire 29 x 2. 25 Folding Tubeless Black Dual EXO. The Crossmark II retains the fast rolling properties of the original Crossmark while adding additional side lugs for more secure cornering. Center ridge tread rolls extremely fast on hardpack Ramped and siped shoulder lugs provide excellent cornering traction Intended use: hard pack loose over hard medium TECH SPECS Color Black Flat Protection Sidewall TPI 60 Weight 792 Defined Color