| VIPER M-1 MENS SPEED QUAD SKATES (44U721M) Roller Derby have updated their Retro Quad skate range with the excellent Viper M-1 Speed Quad Skate. A new RETRO style low cut skate which is ideal for beginner & intermediate skaters of all ages and with the new Viper Speed RTX Frame with Action Control System, you can ensure you experience the maximum control for this new skate. This boot is also a preferred skate for the Roller Derby Sport. Features: Boot: Deluxe Speed Profile Boot with new Comfort Padding and Reinforced Support Colour: Black Trim Closure: Full Lace System with Velcro Power Strap Frame: RTX Pro Series Wheel: 58 x 40mm MAG Core Urethane Bearing: Abec 5 Sizes: 5(38) to 11(46) | Available Options: | | SKATE SIZES UK / US / EU: | | | 
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