Brompton 13T Sprocket Set for BWR as a 3-Speed Tweet Genuine Brompton 13T 3/32 sprocket set including chain guide disc for BWR (Brompton Wide Ratio) hubs setup as a 3-speed (9-spline). Part code: QRSPRSTACK-BWR3-13 Part number: 9024155 Pricing £12.00 Offer £9.99 That's a saving of £2.01/16% In Store Now In Stock 0 1 2 3 4* 5* 6* 7* 8* 9* 10* 11* 12* 13* 14* 15* 16* 17* 18* 19* 20* 21* 22* 23* 24* 25* 26* 27* 28* 29* 30* 31* 32* 33* 34* 35* 36* 37* 38* 39* 40* 41* 42* 43* 44* 45* 46* 47* 48* 49* 50* Qty marked * exceeds current stock level. As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.