Online Catalogue JTA752BLK (Racelite Aluminium Rear Race Sprocket) Available sizes: 36, 38, 39, 40, 41, 42, 45 Material: 7075-T6 Aluminium Alloy Anodized to a superb satin-silk effect. 42 Tooth Aluminum Rear Sprocket. CNC machined to precise tolerances for performance and lifespan. 7075 T6 Aviation Grade Alloy Sprocket JT Sprockets 42 Tooth Rear Steel Sprocket For 520 Chain - JTR460.42 For Jt Sprockets Jta752.42 42-tooth Aluminum Rear Sprocket 1 These aluminium JT Sprocket crowns are designed for MX models, with a special milling at the root of the tooth, which guarantees optimalself-cleaning against mud and hail Made from advanced aviation-grade 7075 T6 aluminum alloy Heat treated and hand finished to meet or exceed OEM standards. Aluminium rear sprocket with pitch 525 and 45 teeth JTA7.45 Heat treated and hand finished to meet or exceed OEM standards
