Apex XPLR D1 Gravel Tires the Pro One TT is

the Pro One TT is the benchmark for tubeless time trial tires

New Boomerang profile provides the best traction uphill and low rolling resistance

Tightly spaced center knobs roll easily and smoothly on hard-pack

SRAM Model ID: CS-PG-730-A1

Designed for balanced

Apex XPLR D1 Gravel Tires the Pro One TT isHLC. Web. Services. CmsService. Models. Pages. CmsPageProductDetails Compatible with cassettes with 44T large cogs Use with Flattop chain Works with 12 speed mechanical Apex and Eagle shifters Clutch controls chain tension for consistent shifting X HORIZON straight parallelogram design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force SRAM Model ID: RD APX 1 D1 Attributes Maximum Cog 44T