Shimano XC300 Cycling Bike Shoes Black Size:43 Note 1: An XX-Long boom

Note 1: An XX-Long boom (30") can be special ordered and extends the X-seam range to 57"

Shimano 8/9/10/11 speed compatible

Upper bracket skewer width:  5 3/8" outside to outside

Strong and lightweight extruded aluminum fenders in robust anodized finish

Shimano XC300 Cycling Bike Shoes Black Size:43 Note 1: An XX-Long boomThe XC300 features many of the technologies of Shimano's top of the line XC and road cycling shoes to create a high value mountain bike shoe perfect for XC riding and racing. The XC300 stabilizes your foot and maximizes your power transfer. Combined with a glove like fit and grippy rubber sole, it is comfortable and efficient both on and off the bike. An off set center flap mounted Boa L6 dial creates a sleeker profile with quick adjustments.