Optis Tubeless Tire Insert - 27.5" x 28-40mm Insert w/ Standard Presta Valve CheckoutTitle=AnswerBMX Seatpost Extender }Easton Direct Mount CINCH Chainring

}Easton Direct Mount CINCH Chainring - 40T Black

Oversized Grade 3 balls roll on races which are ground to a mirror finish after receiving Magnetite and then Cryogenic treatments for hardness and longevity and slippery Silicone seals to produce minimum resistance

provides exceptional versatility in tire pairing

Color Red BB/Frame Interface English Number of Chainrings No Rings Included Crankset Style 2-Piece BB Style Euro Crank Length (mm) 160 Weight 706 Drive Side Compatibility Right Hand Drive BB Included Yes Crank Arm Material Aluminum Chainring BCD 104 Chainrings Included No Spindle Material Aluminum Defined Color Red Bore 24

WTBs KOM Tough series rims feature Dual I-Beam construction to increases strength and stiffness

Optis Tubeless Tire Insert - 27.5" x 28-40mm Insert w/ Standard Presta Valve CheckoutTitle=AnswerBMX Seatpost Extender }Easton Direct Mount CINCH ChainringOptis Tubeless Tire Insert 27. 5" x 28 40mm Insert w Standard Presta Valve. OPTIS (Odyssey Pneumatic Tire Insert System) is a lightweight highly tunable high efficiency tubeless tire insert. Tire assemblies are one of the most important performance factors for any bike. They provide all the grip to the ground they serve as a critical first element of the bikes suspension and they provide essential support to the cornering forces that the bike