Cycling > Chain Tensioners - Most Popular Products

Ideal for riders using frames with horizontal dropouts. The Tugnutt helps maintain chain tension with a handy adjuster.  Includes washers.

Answer Micro Chain Tensioner fits BMX 3/8" axles. Unit of Sale: Each Fits: 3/8" Axle Intended Use: BMX

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...

SURLY Tuggnut Slider

The Gamut G25 Chain Retention System was designed specifically for 4-cross and dual slalom riding with a lightweight yet durable construction. Specifically developed for 4-cross and dual slalom Simple and lightweight system uses an aluminum 1/8" bashguard Published Weight: 195 g Bolt Pattern: 4-Bolt Chainring BCD: 104 mm

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...

Gamut P40 chain retention systems are designed to be versatile with a polycarbonate bashguard that can be used for a variety of riding disciplines. It is strong enough for the most abusive riding, yet light enough for four-cross and dual slalom. Versitility and toughness in a lightweight package Polycarbonate bashguard...

Profile Racing Chain ten sioner 3/8"

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...

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 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...

Deda Elementi Dog Fang Chain Deflector Perfect for Paris-Roubaix

Replacement pulley for the MRP G2 chainguide retention system.

Replacement upper guide for the MRP G2 chain retention system.

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

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

The Sinz BMX Chain Tensioner features a sturdy forged AL construction. Sold as a pair Fits: 3/8" Intended Use: BMX

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...

Surley Rocket Saver / Tensioner Chain tensioner for horizontal drops fits up to 10mm axels Integrated bottle opener Black/Silver

DMR STS Single-Speed Chain Tensioner Stainless steel body provides strength and maximum stiffness Works in conjunction w/ frame's derailleur hanger and hub axle Adjustable pitch Weight: 120 g

SRS Parts Tree

Replacement lower guide for the MRP G2 chainguide.

Universal ISGC plate NOT for ISGC "05 mount.

Race Face Atlas FR Chainguide The Race Face Atlas guide brings compatibility & ease of installation to a whole new level.  Designed for a wide range of frames & suspension systems, the Atlas guide is optimized to work flawlessly with most dual chainring set ups. Aggressive profiling on boomerang is...