SRAM X-SYNC EAGLE DM CHAINRING ใบจานหน้า XX1 eagle 12สปีด Gold , Black ขนาด 34ฟัน,36ฟัน,38ฟัน Direct Mount 6 Offset , 3 Offset Boost SKU: 11.6218.030.170 34T DM 3 Offset Boost (Gold) 11.6218.030.180 36T DM 3 Offset Boost (Gold) 11.6218.030.190 38T DM 3 Offset Boost (Gold) 11.6218.030.090 38T DM 3 Offset Boost (Black) 11.6218.030.020 34T DM 6 Offset (Black) 11.6218.030.030 36T DM 6 Offset (Black) 11.6218.030.040 38T DM 6 Offset (Black) SPECIFICATIONS MATERIAL (CHAINRING) : Aluminum, Steel SPEEDS 11/12, 12 COLOR (CHAINRING) : Black, Gold COMPAT - YAW : No CHAINRING SIZE : 30T, 32T, 34T, 36T, 38T BOLT CIRCLE DIAMETER (BCD) : Direct Mount (DM) Designed to work perfectly with SRAM’s Eagle chain to increase chain retention and overall pedalling efficiency, the X-Sync Eagle chainring is ready for the trails. The new and improved design increases wear life while decreasing friction and noise. This chainring has been put through the wringer by SRAM’s testing lab and in real world settings to guarantee performance. #SRAM #สินค้าคุณภาพของแท้ 100%