ชุดกะโหลกกลวง XTR FCM980 SM-BB93 กล่อง

ชุดกะโหลกกลวง XTR FCM980 SM-BB93 กล่อง แบบเกลียว SHIMANO XTR Threaded Bottom Bracket 68/73 mm shell width SM-BB93 SHIMANO XTR - Bottom Bracket - Threaded - HOLLOWTECH II - 68/73 mm shell width With smoot rotation and better sealing performance, the SHIMANO XTR bottom bracket is durable for mountain bike usage. It is available in threaded and press-fit options. PRODUCT SPECIFICATIONS •MODEL NO : SM-BB93 •SERIES : XTR M9000 Series Average weight : 73 •HOLLOWTECH II bottom bracket|•Threaded bottom bracket type •Threaded bottom bracket shell width (mm)|68 •Threaded bottom bracket shell width (mm)|73 •Small ball bearing