Condition: 100% Brand NewItem Type:: Derailleur Hanger ExtenderModel: RA105Material: Main Body AL6061 + Screw AL7075Quantity: 1 PieceColor: Black, Red (optional)Recommended Torque Value: 15-20N.MCenter Distance: Approx. 28.9mm / 1.1inTotal Length: Approx. 50.8mm / 2.0in .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Hollow out style, lightweight and beautiful while ensuring strength. High-quality material, strong, durable and has long life. 228.9mm center distance greatly enhances compatibility and is easily compatible for mountain 40/42/46/50/52T and for road 34/36/40/42T. 3The total length is only 50.8mm, achieving high compatibility and stability (too short center distance affects compatibility; too long center distance affects stability). 4The structure is upgraded, accurate adjustment and increase the response speed of variable speed. Abolish the limit position, increase the fine-tuning range and make it easier to adjust. 5The tail hook fitting surface adopts radial grooves to increase friction and solve the problem of looseness caused by vibration during riding. The locking screw made of 7075 aluminum alloy, and the locking torque is greater.