Five Ten Trailcross Mountain Clipless Shoes - Women's Core BLK/Gray Three/Red 5.5 TPI-67 30mm diameter makes the Burr

30mm diameter makes the Burr an ideal grip for riders with small-to-average size hands

This alloy axle RWS is the perfect way to strengthen up and solidify an open drop out front fork and wheel combination

Crank Spindle Diameter 24/22mm BB Shell Type T47

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Laser-cut holes on the inner thighs provide ventilation to reduce heat buildup

Five Ten Trailcross Mountain Clipless Shoes - Women's Core BLK/Gray Three/Red 5.5 TPI-67 30mm diameter makes the BurrFive Ten Trailcross Mountain Clipless Shoes Womens Core Black Gray Three Red 5. 5. Mountain bikers are looking for adventure. They want their clip in shoes to not only be ideal for mountain biking but also hiking. The perfect balance of stiffness for pedal efficiency and flexibility for hiking off the bike. Lace & velcro closure Breathable mesh RPU overlays Impact resistant toe box Lightweight eva w hike a bike last Stealth marathon TECH SPECS Cleat