2023 Specialized tarmac sl7 comp bike gloss metallic midnight shadow/black 52 CheckoutTitle=Shimano XT SL-M780-B-I and SLX SL-M670-B-I Bolt and Nut Unit The NX derailleur has a

The NX derailleur has a been designed for performance and durability

Wolf Tooth CenterLock Rotor External Splined Lockrings for securing centerlock rotors to centerlock hubs

and (1) M6x1mm 90-degree banjo (caliper) fitting kits with copper sealing washers

Color Black Rings 54/40 Number of Chainrings Double Crank Length (mm) 172

2023 Specialized tarmac sl7 comp bike gloss metallic midnight shadow/black 52 CheckoutTitle=Shimano XT SL-M780-B-I and SLX SL-M670-B-I Bolt and Nut Unit The NX derailleur has a<p>The new Tarmac is designed to go fast, theres no ifs, ands, or buts about thatbut it represents so much more than just aerodynamic prowess. With a light weight, Rider First Engineered frame, it delivers the best possible ride characteristics, no matter the size. So no matter what you have planned for your new Tarmac, its ready to help you achieve your goalsPRs, KOMs, or podium top steps. One bike to rule them all.< p><p>With the new Shimano 105 Di2