Lightweight Mountain Bike Pedals – 174g Aluminum

Why Lightweight Mountain Bike Pedals Matter on the Trail

Mountain bike pedals are where your foot meets the bike. A good pedal balances three things: grip, durability, and weight. These SHANMASHI CA120 pedals prioritize all three without inflating the price tag. At 174 grams each, they’re noticeably lighter than many comparable options while maintaining the platform size and traction needed for aggressive riding.

Platform Size and Traction Pin Design

The 101x90mm platform is substantially larger than most competitive pedals in this price range. More platform means more foot contact, more stability, and more forgiveness if your shoe placement shifts during a rough descent. That matters when you’re picking a line through rocks or roots.

Each pedal includes 12 replaceable steel traction pins per side. These pins dig into your shoe sole, preventing your foot from sliding sideways during hard braking or aggressive cornering. Replaceable pins mean when they wear down over seasons of use, you swap them out rather than replacing the entire pedal.

Materials and Build Quality

The pedal body is CNC-machined from 6061 aluminum alloy, a standard in cycling components for its blend of strength and light weight. The 9/16-inch axle is chromium-molybdenum steel, a harder material that resists bending and cracking under the repeated stress of pedaling and landing jumps.

DU sealed bearings keep dirt and moisture away from the spinning components inside. This design extends bearing life and maintains smooth rolling even after rides in wet or dusty conditions. You don’t get sealed cartridge bearings, but the DU seals handle typical trail riding well.

Flat Pedal Geometry for All Riding Styles

These are flat platform pedals, not clipless. That means you can use any shoe—no special cycling footwear required. Flat pedals let you unclip and dab your foot instantly if you lose balance, which many riders prefer on technical terrain or for casual trail riding. They also work across multiple bikes without needing matching shoe cleats.

Material Specifications

Real Trail Performance

A rider taking these pedals on a rocky descent finds the platform stays under their foot without requiring clipless-specific shoe geometry. The traction pins grip a standard trail shoe sole securely through fast directional changes. After two seasons and regular maintenance, the bearings still spin freely without noticeable play, and the aluminum body shows expected finish wear but no structural damage.

Who Should Buy These Pedals

Ideal For:

• ✔ Trail and all-mountain riders who want flat pedal control without the commitment of clipless geometry
• ✔ Cyclists concerned about pedal weight but unwilling to sacrifice platform size or grip
• ✔ Riders who use multiple bikes and don’t want pedal-specific shoes for each one
• ✔ Anyone replacing worn traction pins regularly—the replaceable steel design saves money over time

Not Ideal For:

• ✘ Road cyclists or gravel racers seeking ultra-lightweight clipless systems—flat pedals add 50+ grams per set versus competitive clip-in designs
• ✘ Riders in extremely muddy conditions where traction pin cleaning becomes constant maintenance
• ✘ Downhill racers expecting aerospace-grade materials or exotic bearing systems—these are solid mid-range components, not boutique equipment

What to Know About Flat Mountain Bike Pedals Before You Order

When selecting mountain bike pedals, grip consistency depends partly on your shoe choice. Soft-soled or aggressive-tread cycling shoes work better with traction pin pedals than smooth road bike shoes. The pin engagement improves significantly with footwear designed for climbing and braking force.

Common Mistakes

Don’t assume all flat pedals feel the same underfoot. Platform size and pin spacing directly affect foot placement and confidence on technical terrain. These pedals prioritize platform size, which many riders overlook in favor of weight alone. Also, riders sometimes forget that steel pins dull over time—inspecting pins before a big ride prevents foot slip in critical moments.

Maintenance Tips

Clean dried mud from the pedal surface and pins after wet rides. Use a brush or soft cloth to avoid scratching the aluminum finish. Check the axle for play by grasping the pedal body and moving it side to side—slight movement is normal, but any clunking indicates bearing wear. Apply a lightweight bike grease to the bearing seals annually to extend bearing life.

Storage Tips

Store pedals in a dry location away from salt spray if you ride near coastal areas. Moisture accelerates corrosion of the steel axle and pins. If storing for extended periods, wipe the pedal body and pins dry and apply a thin coat of bike oil to prevent oxidation. Hang pedals rather than stacking them to avoid bearing pressure.

Safety Notes

Inspect traction pins before rides, especially after extended use or rocky terrain. Bent or missing pins reduce grip and increase the risk of foot slip during aggressive braking or cornering. Replace damaged pins before the next ride rather than compensating with foot pressure. Ensure both pedals are installed to the correct side—right pedal threads clockwise, left pedal threads counterclockwise—to prevent accidental loosening during riding.

Why These Pedals Stand Apart

Many flat pedal options cut weight by shrinking platform size or reducing pin count. These pedals maintain full platform dimensions and retention at 174 grams, which is genuinely competitive. The replaceable pin system also adds real value—over five years, swapping pin sets costs far less than replacing full pedals repeatedly. For casual and intermediate trail riders, browse our outdoor gear collection to compare other pedal systems and cycling accessories.