Answer Typhoon C4 4-Bolt Chainring The Answer Typhoon C4 Chainring is precision CNC machined from premium 7075-T6 aluminum to deliver the perfect balance of strength, stiffness, and lightweight performance. Designed specifically for BMX racing, the Typhoon C4 features a robust 5mm thick profile for efficient power transfer and reliable durability under the demands of gate starts, sprinting, and competition use. Finished with a durable anodized coating and laser-etched graphics, the Typhoon C4 offers a clean, professional appearance while maintaining the lightweight characteristics racers demand. Compatible with standard 104mm BCD 4-bolt cranksets and 3/32” chains, it is available in a wide range of tooth counts to accommodate riders of all ages and gearing preferences. Features: Precision CNC machined from high-strength 7075-T6 aluminum Lightweight, race-proven design Durable anodized finish with laser-etched graphics Designed for use with 3/32” chains 5mm thickness for excellent stiffness and power transfer Fits 104mm BCD 4-bolt cranksets and spiders Available in tooth counts from 34T to 48T Specifications: Material: 7075-T6 Aluminum BCD: 104mm Bolt Pattern: 4-Bolt Chain Compatibility: 3/32” Thickness: 5mm Tooth Counts: 34T–48T Approximate Weights: 34T: 2.8 oz (79g) 35T: 3.2 oz (91g) 36T: 2.8 oz (79g) 37T: 3.2 oz (91g) 38T: 3.2 oz (91g) 39T: 3.6 oz (102g) 40T: 4.2 oz (119g) 41T: 4.2 oz (119g) 42T: 4.2 oz (119g) 43T: 4.4 oz (125g) 45T: 4.8 oz (136g) 46T: 5.0 oz (142g) 47T: 4.8 oz (136g) 48T: 5.6 oz (159g) Whether you’re building a lightweight race bike or upgrading your drivetrain for maximum efficiency, the Answer Typhoon C4 delivers the performance, reliability, and precision demanded by today’s BMX racers.
