SRAM Rival 1x XPLR Wide Crank Arm Assembly - 172.5mm 12/13-Speed 8-Bolt Direct Mount DUB Spindle BLK E1 CheckoutSpec= Boxxer RC2 C1+ while the Torsion Box Tongue

while the Torsion Box Tongue provides added stability

The handles also have a magnetic closure to keep it closed when the keyring attachment is not connected

Note: This is a CAMO Spider ONLY

They replace your existing spider and chainring with one clean looking

85mm spacer) cassettes

SRAM Rival 1x XPLR Wide Crank Arm Assembly - 172.5mm 12/13-Speed 8-Bolt Direct Mount DUB Spindle BLK E1 CheckoutSpec= Boxxer RC2 C1+ while the Torsion Box TongueSRAM Rival 1x XPLR Wide Crank Arm Assembly 172. 5mm 12 13 Speed 8 Bolt Direct Mount DUB Spindle Black E1. SRAM has taken aluminum to another level. Careful engineering has resulted in crankarms that optimize stiffness to weight ratio with material only where its needed8 bolt interface compatible with power and non power AXS spiders and integrated chainrings (Chainring and spider sold separately) DUB bottom bracket adds durability and simplicity