S&M Challenger BMX StemA genuine classic. The Challenger stem was originally designed as a stronger alternative to top load race stems for riders doing dual duty at the track and the trails. The Challenger is as popular as ever. Grade 8 Allen head hardware Made in USA REACH: 49 mm RISE: 24. 8mm 6. 7mm Inverted MATERIAL: 6061 T6 Aluminum WEIGHT: 12. 8 oz (362g)
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