RaceFace 1x Narrow Wide Chainring - 30t 104 BCD 10-12 Speed 7075 Aluminum Purple MFPN=PCK503 Sensorless GPS computer

Sensorless GPS computer

Tapered threadless steerer

Optimized for 11 and 12 spd drivetrains

Fits Shimano R9100-generation Dura-Ace and R8000-generation Ultegra rear derailleurs

RaceFace 1x Narrow Wide Chainring - 30t 104 BCD 10-12 Speed 7075 Aluminum Purple MFPN=PCK503 Sensorless GPS computerNarrow wide teeth prevent chain drop, updated tooth profile runs quieter Durable 4mm thick 7075 T6 aluminum with reversible laser etched graphics Compatible with 9 11 speed chains, allowing a 1X set up on most any drivetrain (works with SRAM 12sp, but not Shimano 12sp chains) 30T rings are threaded for standard M8x0. 75 chainring bolts TECH SPECS ring type single (anti chain drop) mount 4x104mm teeth 30t oval round round color purple