CHAIN TENSIONER WITH 1-3/4" ROLLER - Chain tensioner plays an important role in the operation of the drive system. Heavy duty chain tensioner work as a adjuster roller guide can prevent chain loose, fall off, reduce sprocket/chain wear. Replacing the broken or damage chain tensioner regularly can protect your safety while riding the bikes. COMPATIBLE WITH - for Coleman Powersports BT200X,CT200U-EX CT200U-EXR CT200U Trail CT200U-A CT200U-AC; Baja Motorsports Mini Bike MB165 MB200 (Heat, Mini Baja, Warrior); Hensim Mini Bike MB165 & MB200 (Heat, Mini Baja, Warrior); MASSIMO MB200; TrailMaster MB200; 6.5hp Powersports Mini Bike. Please check the size and compatibility before ordering! PREMIUM QUALITY - FEITON Chain Tensioner with 1-3/4" Roller for 6.5HP Massimo MB200 Hensim Baja Heat Warrior MB165 MB200 Coleman Ct200u Falcon 200 Mini Bike Motorsports manufactured by FEITION undergo strict quality control throughout the production process. PACKAGE INCLUDES - 1 Piece Chain Tensioner, 1 Piece Chain Tensioner Spring. A bad chain tensioner can be identified by a loose chain that falls off during ride time, so please check and replace it regularly! Color: Black Material: Metal Package Contents: 1*Chain Tensioner 1 Piece Chain Tensioner Spring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.