Challenge Gravel Grinder Race Tire 700 x 42 Tubeless Folding Black MFPN=IP4736 M }RockShox RUDY Ultimate XPLR Race }RockShox RUDY Ultimate XPLR Race Day 2 Suspension Fork 700c 30 mm 12 x 100 mm 45 mm Offset Gloss Black A2 Drivetrain Speeds 12 Defined Color Black Rings 48 35 Spindle Interface Type SRAM DUB Chainring BCD 107 Number of Chainrings Double Color Black Crank Intended Use Road BB Included No Pedal Spindle 9 16" Chainline Hub Compatibility 135 142 Road Disc Hubs < 415 mm Chainstay Chainline Hub Compatibility 141 148 Boost Hubs Crank Length (mm) 172 table{border collapse:collapse Shoulder tread is more aggressive for corner confidence and additional control