About Topeak MTX BeamRack (E-Type)For MTB or heavy commuting use. QR mechanism is secure and easy to use. 9 kg (20 lb) carrying capacity. Compatible with all MTX TrunkBags. Includes two rubber bungees and safety reflector. FeaturesCompatible with MTX TrunkBags Features a quick release clamp mount Safety reflector is included Integrated rubber bungee cord secures your cargo SpecificationsClamp: Fits ø25.4 - ø31.8 mm (shims Incl.) Material: Aluminum Beam Bag Compatibility: MTX TurnkBags Max Weight Capacity: 9 kg / 20 lb Added Features: Rubber bungee, Safety reflector, RedLite® Mount, Tail Light Mount Size: 54 x 12 x 10 cm / 21.3” x 4.7” x 3.9” Weight: 693 g / 1.53 lb About Topeak Topeak are a highly innovative cycling accessories manufacturer founded in 1991, with an emphasis on high utility, high quality products they have earned reputation for producing some of the best accessories in the cycling industry.