NEW Delta Adjustable Crossbar Top Tube Frame Adapter: Black frontder_clamp-34-9mm Inverted tread design and knurled

Inverted tread design and knurled tread surface are low profile and fast rolling without sacrificing traction

The perineal relief cutout improves blood flow and reduces numbness in sensitive areas when the hips are rotated forward in an aggressive

the K-Force has a large contact area to save alloy freehub bodies

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Inner waistband adjustment with belt loops for best fit

NEW Delta Adjustable Crossbar Top Tube Frame Adapter: Black frontder_clamp-34-9mm Inverted tread design and knurledThe Crossbar Substitute works as a top tube with non traditional style frame designs for easier rack mounting. For use with "hang on" type car racks Quick release clamps allow for quick and easy adjustment Thick rubber coating protects bike's finish Weight limit is 50lbs Distance limit from seat post to stem: max: 32. 25", min: 23"