The D606 is the go-to tire for serious off-road riding, with a dash of street riding mixed in. Long-lasting, and featuring a full-depth knobby pattern, the D606 works in a wide variety of off-road terrain. Specifications A full-depth tread pattern designed for rigorous off-road use yields excellent traction on everything from hard-packed fire roads to soft single-track trails. The D606’s tread compound is also engineered for good highway wear and grip. TIRE NAME SIZE LOAD/SPEED INDEX SIDEWALL PART NUMBER APPLICABLE RIMS RECOMMENDED RIM OVERALL DIAMETER OVERALL WIDTH FULL TREAD DEPTH MAXIMUM LOAD @ PSI D606 FRONT 90/90-21 54R 45162083 1.60 27.70 3.50 14/32 467 @ 33 D606 REAR 130/90-17 68R 45162297 2.502.75 26.30 5.20 20/32 694 @ 33 D606 REAR 120/90-18 65R 45162233 2.152.50 26.80 4.80 20/32 639 @ 33 D606 REAR 130/90-18 69R 45162910 2.153.00 27.40 5.28 20/32 716 @ 33