Cycling > Chain Tensioners

MRP 1.x Guide Developed with World Cup powerhouse Adam Craig, the 1.x is purpose-built for cross country riding with a 1x9 drive train.  If you are running 1x9 and don't need a bash guard, this is the ticket.  No more homemade contraptions needed! 32-36T: 58 gramsS2-40T: 62 grams Black or...

Non-ISCG adaptor, converts ISCG guides for use with standard BB shells.

The next generation in chainguides! Superlight design with excellent chain retention and protection of both the chain and the chainring. Beefy 5mm thick CNC alloy booomerang, replaceable polycarbonate skid, and easy positioning of the upper and lower guides with a single bolt. Seperate models suit bikes made with ISCG and...

The MRP G2 Mini-G Chain Retention System is a strong and durable system that helps to keep your chain in place, keeping you on the trail. Patented Integrated Skid Plate DesignUmm thick CNC Alloy Boomerang with weight-optimized relief’s Replaceable polycarbonate Skid w/full boomerang supportS-point attachment of Skid to Boomerang Derailleur...

Replacement skid plate for use with the MRP G2 chainguide system. Only fits the G2 system

MRP Long Range Patrol chain retention system is a strong and durable system that is designed to be used with a double chainring system. Designed for use with two chainrings Max-tooth designations references the maximum size of the larger chainring CNC machined alloy boomerang Upper boomerang "fin" keep chain from...

MRP XCG Triple Bashguard The XCG Series of guards are designed to protect chainrings and cranksfrom damage due to the occasional rock or log encounter. They consistof a replaceable polycarbonate Skid direct-mounted to a 4mm thick alloyback plate.  With an XCG Triple, you can keep the big chainring on and...

Replacement pulley for the MRP G2 chainguide retention system.

Replacement upper guide for the MRP G2 chain retention system.

MRP Standard Roller Kit Simply the smoothest, quietest, and most durable roller on the market.Its asymmetrical design allows for adjusting the chain entry and exit angles.

Replacement lower guide for the MRP G2 chainguide.

MRP Lightweight Roller Kit parts for G2, System 1,2 and 3, SB-3 and LRP guides. Kit includes one roller with Delrin bushings and alloy mounting bolts/washers; there are two roller kits per chainguide Publidhed Weight: 30g

The MiniMe System 1 kit. MiniMe Kit: For 30 tooth to 34 tooth chainrings Material: CNC Machined Aluminum with Sealed cartridge bearing Rollers Applications: MRP Fit Guide System 1: System 1 kits have two plates that rotate with the chainring. Originally designed for elevated chainstay bikes but with the smaller...

MRP SB-3 Partycrasher chain guide, bottom bracket mount includes MRP's one-piece, CNC-machined polycarbonate bashguard. Pre-formed steel backplate eliminates the need for added guide places Based upon System 3 guide's boomerang design Compatible with standard and elevated chainstay configurations ISCG mount model requires ISCG mount tabs on frame or an ISCG...

MRP System 3 Chain Retention System Recommended for use on bikes with a low-profile chainstay design For 36 to 40 tooth, single chainring Use with external or internal rear gearing May require a longer bottom bracket Compact design for increased clearance Please use ISCG adapter CH1596 for non-ISCG tabbed frame...

MRP System 3 Mini Me Partycrasher chain guide is CNC-machined from a single block of polycarbonate and features a simplified boomerang design for lower weight and broader compatibility. Compatible with standard and elevated chainstay configurations SCG Mount model requires ISCG mount tabs on frame or an ISCG adapter plate Bolt...

MRP System3 Partycrasher chain guide, ISCG'05 mount, the Partycrasher bashguard is CNC-machined from a single block of polycarbonate. ISCG models require ISCG'05 mount tabs on frame or an ISCG'05 adapter plate Simplified boomerang for lower weight and broader compatibility Compatible with standard and elevated chainstay configurations Mount Type: I''05 Bolt...

MRP G2 Chain Guide Introducing the next generation in Chain Guides. The G2 showcases MRP’spatented integrated guard that allows the design to besuper lightweight, without sacrificing chain retention, rigidity orprotection of the chain and chain ring. The integrated guard fullyprotects the chain and also the rear pulley wheel. Patented Integrated...

MRP Slalom Kit System 2 Designed to add an element of adjustability and compatibility, theSystem 2 uses a stationary, open inner ring to allow use of largechainrings on bikes that have a chainstay in the standard position,without having to install a longer bottom bracket.

Replacement MRP System 3 Delrin Guide plates.

MRP ISCG Chain Retention System Compatible only with ISCG-tabbed frames Boomerang has 3 ovalized holes for adjustability System 1 and 2 rules apply Please use ISCG adapter CH1596 for non-ISCG tabbed frame applications