Promax Impact Top Load Stem-1" Stem Length:40mm More precise backend adjustment than

More precise backend adjustment than regular chains

5" (673mm) MAX PRESSURE: 70 psi WEIGHT: 1105 g (39 oz) +/-5% SIZE: 29 x 2

11-degree back sweep and 1

Fixed front springs offer stiffer tension which eliminates unwanted unclipping and the 2-sided mechanism uses an adjustable cleat tension and release on each side

Gripper Clamping Area

Promax Impact Top Load Stem-1" Stem Length:40mm More precise backend adjustment thanPRODUCT DETAILS The Impact is Promax's top load BMX stem. They come in 48 , 53 and new 60 millimeter extensions and are cold forged from the highest quality 6061 T6 aluminum then CNC machined to refine the shape and further reduce weight. The open design keeps weight low, while maintaining plenty of strength and ensuring your bars stay put. Available in anodized red, blue, gold and matte black with laser etched graphics. Meets or exceeds ENBMX