Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Red CheckoutTitle=Osprey Katari 1.5 Men's Hydration Pack - One Size 1) Torx-T25 L-wrench

1) Torx-T25 L-wrench

Purple ZERO +½º

while the Torsion Box Tongue provides added stability

Get ready to tackle the trails

Wheels Manufacturing SOLO-SPEED Cog - 21t Fits SOLO-SPLINE SOLO-XD kits Red CheckoutTitle=Osprey Katari 1.5 Men's Hydration Pack - One Size 1) Torx-T25 L-wrenchWheels Mfg. SOLO XD and SOLO SPLINE Single Speed cogs are constructed with high end 7075 aluminum and designed with narrow to wide alternating tooth pattern allowing for superior chain retention. Cogs are optimized for use with Wheels Mfg. SOLO XD XD XDR and SOLO SPLINE Single Speed Conversion kit carrier systems only. Crafted with high end 7075 aluminum for light weight and extreme durability Cogs are optimized for use with Wheels Mfg. SOLO XD XD XDR