"SIDE-ACCESS CHAIN TENSIONER MAKES IT EASY TO ADJUST THE CHAIN. OIL TANK CAP WITH RETAINER HELPS KEEP YOU FROM LOSING THE CAP. OPTIONAL SHAFT EXTENSION; SUITABLE FOR ALL LOOP HANDLE KOMBIENGINES (KM 56 RC-E, KM 90 R, KM 100 R, KM 130 R) AND FR 130 T; WEIGHT: 1.8KG"