TRP CR-M9050 Boost Direct Mount Chainring - 32t 12-Speed CINCH Mount 3mm Offset 7075-T6 Aluminum Sandblasted BLK/Gold Rear Der/Shifter Compatibility-Shimano Tiagra 4700 Robust and Rebuildable Bearing and

Robust and Rebuildable Bearing and Bushing Design – CroMo spindle which spins on a bearing and bushing design to ensure the pedals maximize durability yet keep pedal drag to a minimum fully rebuildable and readily available

Fits standard derailleur hangers only

Gender/Age Mens Color Black Size Medium Sleeve Style Long Defined Color Black

7 Brake Type Post Mount 160 Color MatteBlack Crown Race 40 Defined Color Black External Adjustments High Speed Compression Damping Front Axle 15mm Thru x 110mm Lockout Switch Crown Maximum Tire Width 77 Negative Spring Air Offset 44 Positive Spring Air S

TRP CR-M9050 Boost Direct Mount Chainring - 32t 12-Speed CINCH Mount 3mm Offset 7075-T6 Aluminum Sandblasted BLK/Gold Rear Der/Shifter Compatibility-Shimano Tiagra 4700 Robust and Rebuildable Bearing andTRP CR M9050 Boost Direct Mount Chainring 32t 12 Speed CINCH Mount 3mm Offset 7075 T6 Aluminum Sandblasted Black Gold. The CR M9050 EVO12 Boost chainring is crafted with high quality CNC machined 7075 T6 aluminum and features Wave Technology for proven chain retention in extreme conditions. CNC machined using 7075 T6 aluminum provides strength and incredible durability Torsionally rigid for exceptional power transfer Wave Technology offers proven